Bluetooth monitor ver 5.86
btmon[95623]: = Note: Linux version 7.0.3-7.0-alt1 (x86_64)            0.856433
btmon[95623]: = Note: Bluetooth subsystem version 2.22                 0.856436
= New Index: 58:02:05:7C:63:A9 (Primary,USB,hci0)               [hci0] 0.856437
= Open Index: 58:02:05:7C:63:A9                                 [hci0] 0.856437
= Index Info: 58:02:05:7.. (Realtek Semiconductor Corporation)  [hci0] 0.856438
bluetoothd[1019]: @ MGMT Open: b.. (privileged) version 1.23  {0x0001} 0.856439
< HCI Command: Create Connection (0x01|0x0005) plen 13       #1 [hci0] 6.163333
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Packet type: 0xcc18
          DM1 may be used
          DH1 may be used
          DM3 may be used
          DH3 may be used
          DM5 may be used
          DH5 may be used
        Page scan repetition mode: R2 (0x02)
        Page scan mode: Mandatory (0x00)
        Clock offset: 0x0000
        Role switch: Allow peripheral (0x01)
> HCI Event: Command Status (0x0f) plen 4                    #2 [hci0] 6.165677
      Create Connection (0x01|0x0005) ncmd 2
        Status: Success (0x00)
> HCI Event: Connect Complete (0x03) plen 11                 #3 [hci0] 6.831703
        Status: Success (0x00)
        Handle: 4
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Link type: ACL (0x01)
        Encryption: Disabled (0x00)
< HCI Command: Read Remote Supported.. (0x01|0x001b) plen 2  #4 [hci0] 6.831801
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
btmon[95623]: @ RAW Open: btmon (privileged) version 2.22     {0x0002} 6.832070
btmon[95623]: @ RAW Close: btmon                              {0x0002} 6.832079
> HCI Event: Max Slots Change (0x1b) plen 3                  #5 [hci0] 6.838690
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Max slots: 5
> HCI Event: Max Slots Change (0x1b) plen 3                  #6 [hci0] 6.841688
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Max slots: 5
> HCI Event: Command Status (0x0f) plen 4                    #7 [hci0] 6.843690
      Read Remote Supported Features (0x01|0x001b) ncmd 2
        Status: Success (0x00)
> HCI Event: Read Remote Supported Features (0x0b) plen 11   #8 [hci0] 6.849697
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Features[0/0][8]:
        bf ee 4d fa d8 3d 7b 87                          ..M..={.        
          3 slot packets
          5 slot packets
          Encryption
          Slot offset
          Timing accuracy
          Role switch
          Sniff mode
          Power control requests
          Channel quality driven data rate (CQDDR)
          SCO link
          HV3 packets
          u-law log synchronous data
          A-law log synchronous data
          CVSD synchronous data
          Power control
          Transparent synchronous data
          Flow control lag (most significant bit)
          Enhanced Data Rate ACL 2 Mbps mode
          Enhanced inquiry scan
          Interlaced inquiry scan
          Interlaced page scan
          RSSI with inquiry results
          Extended SCO link (EV3 packets)
          AFH capable peripheral
          AFH classification peripheral
          LE Supported (Controller)
          3-slot Enhanced Data Rate ACL packets
          5-slot Enhanced Data Rate ACL packets
          Pause encryption
          AFH capable central
          AFH classification central
          Enhanced Data Rate eSCO 2 Mbps mode
          Extended Inquiry Response
          Simultaneous LE and BR/EDR (Controller)
          Secure Simple Pairing
          Encapsulated PDU
          Erroneous Data Reporting
          Non-flushable Packet Boundary Flag
          Link Supervision Timeout Changed Event
          Inquiry TX Power Level
          Enhanced Power Control
          Extended features
< HCI Command: Read Remote Extended... (0x01|0x001c) plen 3  #9 [hci0] 6.849708
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Page: 1
> HCI Event: Command Status (0x0f) plen 4                   #10 [hci0] 6.852692
      Read Remote Extended Features (0x01|0x001c) ncmd 2
        Status: Success (0x00)
> HCI Event: Read Remote Extended Features (0x23) plen 13   #11 [hci0] 6.885165
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Page: 1/2
        Features[1/0][8]:
        03 00 00 00 00 00 00 00                          ........        
          Secure Simple Pairing (Host Support)
          LE Supported (Host)
< HCI Command: Remote Name Request (0x01|0x0019) plen 10    #12 [hci0] 6.885283
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Page scan repetition mode: R2 (0x02)
        Page scan mode: Mandatory (0x00)
        Clock offset: 0x0000
< ACL Data TX: Handle 4 flags 0x00 dlen 10                  #13 [hci0] 6.885312
      L2CAP: Information Request (0x0a) ident 1 len 2
        Type: Extended features supported (0x0002)
> HCI Event: Command Status (0x0f) plen 4                   #14 [hci0] 6.887733
      Remote Name Request (0x01|0x0019) ncmd 2
        Status: Success (0x00)
> HCI Event: Number of Completed Packets (0x13) plen 5      #15 [hci0] 6.888958
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #13: len 10 (26 Kb/s)
        Latency: 3 msec (3-3 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #16 [hci0] 6.894100
      L2CAP: Information Response (0x0b) ident 1 len 8
        Type: Extended features supported (0x0002)
        Result: Success (0x0000)
        Features: 0x00000280
          Fixed Channels
          Unicast Connectionless Data Reception
< ACL Data TX: Handle 4 flags 0x00 dlen 10                  #17 [hci0] 6.894212
      L2CAP: Information Request (0x0a) ident 2 len 2
        Type: Fixed channels supported (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen 5      #18 [hci0] 6.899025
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #17: len 10 (20 Kb/s)
        Latency: 4 msec (3-4 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 20                  #19 [hci0] 6.901925
      L2CAP: Information Response (0x0b) ident 2 len 12
        Type: Fixed channels supported (0x0003)
        Result: Success (0x0000)
        Channels: 0x0000000000000006
          L2CAP Signaling (BR/EDR)
          Connectionless reception
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #20 [hci0] 6.902010
      L2CAP: Connection Request (0x02) ident 3 len 4
        PSM: 1 (0x0001)
        Source CID: 64
> HCI Event: Remote Name Req Complete (0x07) plen 255       #21 [hci0] 6.916740
        Status: Success (0x00)
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Name: Молот Н130
@ MGMT Event: Device Connected (0x000b) plen 31        {0x0001} [hci0] 6.916815
        BR/EDR Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Flags: 0x00000008
          Connection Locally Initiated
        Data length: 18
        Data[18]:
        11 09 d0 9c d0 be d0 bb d0 be d1 82 20 d0 9d 31  ............ ..1
        33 30                                            30              
        Name (complete): Молот Н130
> HCI Event: Number of Completed Packets (0x13) plen 5      #22 [hci0] 6.918733
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #20: len 12 (6 Kb/s)
        Latency: 16 msec (3-16 msec ~10 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #23 [hci0] 6.933621
      L2CAP: Connection Response (0x03) ident 3 len 8
        Destination CID: 92
        Source CID: 64
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #24 [hci0] 6.933672
      L2CAP: Configure Request (0x04) ident 4 len 4
        Destination CID: 92
        Flags: 0x0000
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #25 [hci0] 6.936656
      L2CAP: Configure Request (0x04) ident 53 len 8
        Destination CID: 64
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
< ACL Data TX: Handle 4 flags 0x00 dlen 18                  #26 [hci0] 6.936689
      L2CAP: Configure Response (0x05) ident 53 len 10
        Source CID: 92
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
> HCI Event: Number of Completed Packets (0x13) plen 5      #27 [hci0] 6.936729
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #24: len 12 (32 Kb/s)
        Latency: 3 msec (3-16 msec ~6 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 14                  #28 [hci0] 6.939614
      L2CAP: Configure Response (0x05) ident 4 len 6
        Source CID: 64
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event: Number of Completed Packets (0x13) plen 5      #29 [hci0] 6.939698
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #26: len 18 (48 Kb/s)
        Latency: 3 msec (3-16 msec ~4 msec)
bluetoothd[1019]: < ACL Data TX: Hand.. flags 0x00 dlen 24  #30 [hci0] 6.939856
      Channel: 92 len 20 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 0 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Handsfree (0x111e)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
> HCI Event: Number of Completed Packets (0x13) plen 5      #31 [hci0] 6.943697
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #30: len 24 (64 Kb/s)
        Latency: 3 msec (3-16 msec ~4 msec)
        Channel: 92 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 3 msec (3-3 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 95                  #32 [hci0] 6.973613
      Channel: 64 len 91 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 0 len 86
        Attribute bytes: 83
          Attribute list: [len 77] {position 0}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010002
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree (0x111e)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x02
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0107
            Attribute: Unknown (0x0100) [len 2]
              Handsfree [len 9]
            Attribute: Unknown (0x0311) [len 2]
              0x0035
        Continuation state: 0
< HCI Command: Authentication Reque.. (0x01|0x0011) plen 2  #33 [hci0] 6.973924
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
> HCI Event: Command Status (0x0f) plen 4                   #34 [hci0] 6.978699
      Authentication Requested (0x01|0x0011) ncmd 2
        Status: Success (0x00)
> HCI Event: Link Key Request (0x17) plen 6                 #35 [hci0] 6.980699
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
< HCI Command: Link Key Request Re.. (0x01|0x000b) plen 22  #36 [hci0] 6.980755
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Link key[16]:
        54 f7 40 47 60 4e 05 7b e6 0d 48 b9 2e fd 0a 27  T.@G`N.{..H....'
> HCI Event: Command Complete (0x0e) plen 10                #37 [hci0] 6.987705
      Link Key Request Reply (0x01|0x000b) ncmd 2
        Status: Success (0x00)
        Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
> HCI Event: Auth Complete (0x06) plen 3                    #38 [hci0] 7.032764
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
< HCI Command: Set Connection Encry.. (0x01|0x0013) plen 3  #39 [hci0] 7.032847
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Encryption: Enabled (0x01)
> HCI Event: Command Status (0x0f) plen 4                   #40 [hci0] 7.035024
      Set Connection Encryption (0x01|0x0013) ncmd 2
        Status: Success (0x00)
> HCI Event: Encryption Change (0x08) plen 4                #41 [hci0] 7.130752
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Encryption: Enabled with E0 (0x01)
< HCI Command: Read Encryption Key... (0x05|0x0008) plen 2  #42 [hci0] 7.130831
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
> HCI Event: Command Complete (0x0e) plen 7                 #43 [hci0] 7.132727
      Read Encryption Key Size (0x05|0x0008) ncmd 2
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Key size: 16
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #44 [hci0] 7.132802
      L2CAP: Connection Request (0x02) ident 5 len 4
        PSM: 3 (0x0003)
        Source CID: 65
> HCI Event: Number of Completed Packets (0x13) plen 5      #45 [hci0] 7.135717
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #44: len 12 (48 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #46 [hci0] 7.140623
      L2CAP: Connection Response (0x03) ident 5 len 8
        Destination CID: 93
        Source CID: 65
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #47 [hci0] 7.140626
      L2CAP: Configure Request (0x04) ident 54 len 8
        Destination CID: 65
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
< ACL Data TX: Handle 4 flags 0x00 dlen 16                  #48 [hci0] 7.140695
      L2CAP: Configure Request (0x04) ident 6 len 8
        Destination CID: 93
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 1021
< ACL Data TX: Handle 4 flags 0x00 dlen 18                  #49 [hci0] 7.140704
      L2CAP: Configure Response (0x05) ident 54 len 10
        Source CID: 93
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
> HCI Event: Number of Completed Packets (0x13) plen 5      #50 [hci0] 7.143718
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #48: len 16 (42 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #51 [hci0] 7.145711
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #49: len 18 (28 Kb/s)
        Latency: 5 msec (2-16 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 18                  #52 [hci0] 7.148611
      L2CAP: Configure Response (0x05) ident 6 len 10
        Source CID: 65
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
< ACL Data TX: Handle 4 flags 0x00 dlen 8                   #53 [hci0] 7.148692
      Channel: 93 len 4 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Set Async Balance Mode (SABM) (0x2f)
         Address: 0x03 cr 1 dlci 0x00
         Control: 0x3f poll/final 1
         Length: 0
         FCS: 0x1c
> HCI Event: Number of Completed Packets (0x13) plen 5      #54 [hci0] 7.151707
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #53: len 8 (21 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (3-3 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 8                   #55 [hci0] 7.180616
      Channel: 65 len 4 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Ack (UA) (0x63)
         Address: 0x03 cr 1 dlci 0x00
         Control: 0x73 poll/final 1
         Length: 0
         FCS: 0xd7
< ACL Data TX: Handle 4 flags 0x00 dlen 18                  #56 [hci0] 7.180731
      Channel: 93 len 14 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x03 cr 1 dlci 0x00
         Control: 0xef poll/final 0
         Length: 10
         FCS: 0x70
         MCC Message type: DLC Parameter Negotiation CMD (0x20)
           Length: 8
           dlci 4 frame_type 0 credit_flow 15 pri 7
           ack_timer 0 frame_size 674 max_retrans 0 credits 7
> HCI Event: Number of Completed Packets (0x13) plen 5      #57 [hci0] 7.183713
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #56: len 18 (72 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 2 msec (2-3 msec ~2 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 18                  #58 [hci0] 7.212615
      Channel: 65 len 14 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x01 cr 0 dlci 0x00
         Control: 0xef poll/final 0
         Length: 10
         FCS: 0xaa
         MCC Message type: DLC Parameter Negotiation RSP (0x20)
           Length: 8
           dlci 4 frame_type 0 credit_flow 14 pri 7
           ack_timer 0 frame_size 674 max_retrans 0 credits 0
< ACL Data TX: Handle 4 flags 0x00 dlen 8                   #59 [hci0] 7.212654
      Channel: 93 len 4 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Set Async Balance Mode (SABM) (0x2f)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0x3f poll/final 1
         Length: 0
         FCS: 0x96
> HCI Event: Number of Completed Packets (0x13) plen 5      #60 [hci0] 7.216714
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #59: len 8 (16 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-4 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 8                   #61 [hci0] 7.244620
      Channel: 65 len 4 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Ack (UA) (0x63)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0x73 poll/final 1
         Length: 0
         FCS: 0x5d
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #62 [hci0] 7.244666
      Channel: 93 len 8 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x03 cr 1 dlci 0x00
         Control: 0xef poll/final 0
         Length: 4
         FCS: 0x70
         MCC Message type: Modem Status Command CMD (0x38)
           Length: 2
           dlci 4 
           fc 0 rtc 1 rtr 1 ic 0 dv 1
> ACL Data RX: Handle 4 flags 0x02 dlen 12                  #63 [hci0] 7.246616
      Channel: 65 len 8 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x01 cr 0 dlci 0x00
         Control: 0xef poll/final 0
         Length: 4
         FCS: 0xaa
         MCC Message type: Modem Status Command CMD (0x38)
           Length: 2
           dlci 4 
           fc 0 rtc 1 rtr 1 ic 0 dv 1
> ACL Data RX: Handle 4 flags 0x02 dlen 9                   #64 [hci0] 7.246618
      Channel: 65 len 5 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xff poll/final 1
         Length: 0
         FCS: 0xa3
         Credits: 10
        a3                                               .               
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #65 [hci0] 7.246650
      Channel: 93 len 8 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x03 cr 1 dlci 0x00
         Control: 0xef poll/final 0
         Length: 4
         FCS: 0x70
         MCC Message type: Modem Status Command RSP (0x38)
           Length: 2
           dlci 4 
           fc 0 rtc 1 rtr 1 ic 0 dv 1
> HCI Event: Number of Completed Packets (0x13) plen 5      #66 [hci0] 7.247715
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #62: len 12 (32 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (2-4 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #67 [hci0] 7.249714
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #65: len 12 (32 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (2-4 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 12                  #68 [hci0] 7.252613
      Channel: 65 len 8 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x01 cr 0 dlci 0x00
         Control: 0xef poll/final 0
         Length: 4
         FCS: 0xaa
         MCC Message type: Modem Status Command RSP (0x38)
           Length: 2
           dlci 4 
           fc 0 rtc 1 rtr 1 ic 0 dv 1
< ACL Data TX: Handle 4 flags 0x00 dlen 9                   #69 [hci0] 7.252640
      Channel: 93 len 5 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xff poll/final 1
         Length: 0
         FCS: 0x79
         Credits: 33
        79                                               y               
> ACL Data RX: Handle 4 flags 0x02 dlen 21                  #70 [hci0] 7.255612
      Channel: 65 len 17 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 12
         FCS: 0xbf
        41 54 2b 42 52 53 46 3d 36 37 31 0d bf           AT+BRSF=671..   
> HCI Event: Number of Completed Packets (0x13) plen 5      #71 [hci0] 7.256715
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #69: len 9 (18 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-4 msec ~3 msec)
< ACL Data TX: Handle 4 flags 0x00 dlen 23                  #72 [hci0] 7.266449
      Channel: 93 len 19 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 15
         FCS: 0x65
        0d 0a 2b 42 52 53 46 3a 20 33 36 38 30 0d 0a 65  ..+BRSF: 3680..e
< ACL Data TX: Handle 4 flags 0x00 dlen 14                  #73 [hci0] 7.266458
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #74 [hci0] 7.266760
      L2CAP: Connection Request (0x02) ident 7 len 4
        PSM: 25 (0x0019)
        Source CID: 66
> HCI Event: Number of Completed Packets (0x13) plen 5      #75 [hci0] 7.270717
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #72: len 23 (46 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-4 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #76 [hci0] 7.271714
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #73: len 14 (22 Kb/s)
        Latency: 5 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 5 msec (2-5 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #77 [hci0] 7.273715
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #74: len 12 (16 Kb/s)
        Latency: 6 msec (2-16 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 20                  #78 [hci0] 7.277625
      Channel: 65 len 16 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 11
         FCS: 0xbf
        41 54 2b 42 41 43 3d 31 2c 32 0d bf              AT+BAC=1,2..    
< ACL Data TX: Handle 4 flags 0x00 dlen 14                  #79 [hci0] 7.277692
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #80 [hci0] 7.282615
      L2CAP: Connection Response (0x03) ident 7 len 8
        Destination CID: 94
        Source CID: 66
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                  #81 [hci0] 7.282616
      L2CAP: Configure Request (0x04) ident 55 len 8
        Destination CID: 66
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
< ACL Data TX: Handle 4 flags 0x00 dlen 12                  #82 [hci0] 7.282660
      L2CAP: Configure Request (0x04) ident 8 len 4
        Destination CID: 94
        Flags: 0x0000
< ACL Data TX: Handle 4 flags 0x00 dlen 18                  #83 [hci0] 7.282672
      L2CAP: Configure Response (0x05) ident 55 len 10
        Source CID: 94
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
> HCI Event: Number of Completed Packets (0x13) plen 5      #84 [hci0] 7.282716
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #79: len 14 (22 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 5 msec (2-5 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 19                  #85 [hci0] 7.287610
      Channel: 65 len 15 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 10
         FCS: 0xbf
        41 54 2b 43 49 4e 44 3d 3f 0d bf                 AT+CIND=?..     
< ACL Data TX: Handle 4 flags 0x00 dlen 140                 #86 [hci0] 7.287659
      Channel: 93 len 136 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 131
         FCS: 0x65
        0d 0a 2b 43 49 4e 44 3a 28 22 73 65 72 76 69 63  ..+CIND:("servic
        65 22 2c 28 30 2d 31 29 29 2c 28 22 63 61 6c 6c  e",(0-1)),("call
        22 2c 28 30 2d 31 29 29 2c 28 22 63 61 6c 6c 73  ",(0-1)),("calls
        65 74 75 70 22 2c 28 30 2d 33 29 29 2c 28 22 63  etup",(0-3)),("c
        61 6c 6c 68 65 6c 64 22 2c 28 30 2d 32 29 29 2c  allheld",(0-2)),
        28 22 73 69 67 6e 61 6c 22 2c 28 30 2d 35 29 29  ("signal",(0-5))
        2c 28 22 72 6f 61 6d 22 2c 28 30 2d 31 29 29 2c  ,("roam",(0-1)),
        28 22 62 61 74 74 63 68 67 22 2c 28 30 2d 35 29  ("battchg",(0-5)
        29 0d 0a 65                                      )..e            
< ACL Data TX: Handle 4 flags 0x00 dlen 14                  #87 [hci0] 7.287665
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5      #88 [hci0] 7.287715
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #82: len 12 (19 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #89 [hci0] 7.289716
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #83: len 18 (20 Kb/s)
        Latency: 7 msec (2-16 msec ~6 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 14                  #90 [hci0] 7.291610
      L2CAP: Configure Response (0x05) ident 8 len 6
        Source CID: 66
        Flags: 0x0000
        Result: Success (0x0000)
bluetoothd[1019]: < ACL Data TX: Handl.. flags 0x00 dlen 6  #91 [hci0] 7.291783
      Channel: 94 len 2 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Discover (0x01) Command (0x00) type 0x00 label 7 nosp 0
> HCI Event: Number of Completed Packets (0x13) plen 5      #92 [hci0] 7.292717
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #86: len 140 (224 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 5 msec (2-5 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #93 [hci0] 7.294718
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #87: len 14 (16 Kb/s)
        Latency: 7 msec (2-16 msec ~6 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 7 msec (2-7 msec ~5 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5      #94 [hci0] 7.296717
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #91: len 6 (12 Kb/s)
        Latency: 4 msec (2-16 msec ~5 msec)
        Channel: 94 [PSM 25 mode Basic (0x00)] {chan 2}
        Channel Latency: 4 msec (4-4 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 18                  #95 [hci0] 7.351614
      Channel: 65 len 14 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 9
         FCS: 0xbf
        41 54 2b 43 49 4e 44 3f 0d bf                    AT+CIND?..      
< ACL Data TX: Handle 4 flags 0x00 dlen 32                  #96 [hci0] 7.351719
      Channel: 93 len 28 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 24
         FCS: 0x65
        0d 0a 2b 43 49 4e 44 3a 20 30 2c 30 2c 30 2c 30  ..+CIND: 0,0,0,0
        2c 30 2c 30 2c 35 0d 0a 65                       ,0,0,5..e       
< ACL Data TX: Handle 4 flags 0x00 dlen 14                  #97 [hci0] 7.351729
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5      #98 [hci0] 7.355722
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #96: len 32 (64 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-7 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 12                  #99 [hci0] 7.357616
      Channel: 66 len 8 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Discover (0x01) Response Accept (0x02) type 0x00 label 7 nosp 0
        ACP SEID: 1
          Media Type: Audio (0x00)
          SEP Type: SNK (0x01)
          In use: No
        ACP SEID: 2
          Media Type: Audio (0x00)
          SEP Type: SNK (0x01)
          In use: No
        ACP SEID: 5
          Media Type: Audio (0x00)
          SEP Type: SNK (0x01)
          In use: No
> HCI Event: Number of Completed Packets (0x13) plen 5     #100 [hci0] 7.357719
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #97: len 14 (22 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 5 msec (2-7 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 9                  #101 [hci0] 7.361615
      Channel: 65 len 5 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xff poll/final 1
         Length: 0
         FCS: 0xa3
         Credits: 10
        a3                                               .               
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 24  #102 [hci0] 7.362787
      Channel: 94 len 20 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Set Configuration (0x03) Command (0x00) type 0x00 label 8 nosp 0
        ACP SEID: 5
        INT SEID: 1
        Service Category: Media Transport (0x01)
        Service Category: Media Codec (0x07)
          Media Type: Audio (0x00)
          Media Codec: Non-A2DP (0xff)
            Vendor ID: Sony Corporation (0x0000012d)
            Vendor Specific Codec ID: LDAC (0x00aa)
              Unknown: 0x0110
        Service Category: Delay Reporting (0x08)
> HCI Event: Number of Completed Packets (0x13) plen 5     #103 [hci0] 7.366721
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #102: len 24 (64 Kb/s)
        Latency: 3 msec (2-16 msec ~4 msec)
        Channel: 94 [PSM 25 mode Basic (0x00)] {chan 2}
        Channel Latency: 3 msec (3-4 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 25                 #104 [hci0] 7.369615
      Channel: 65 len 21 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 16
         FCS: 0xbf
        41 54 2b 43 4d 45 52 3d 33 2c 30 2c 30 2c 31 0d  AT+CMER=3,0,0,1.
        bf                                               .               
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #105 [hci0] 7.369765
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
< ACL Data TX: Handle 4 flags 0x00 dlen 19                 #106 [hci0] 7.369781
      Channel: 93 len 15 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 11
         FCS: 0x65
        0d 0a 2b 42 43 53 3a 20 32 0d 0a 65              ..+BCS: 2..e    
> HCI Event: Number of Completed Packets (0x13) plen 5     #107 [hci0] 7.372720
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #105: len 14 (56 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 2 msec (2-7 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 6                  #108 [hci0] 7.374619
      Channel: 66 len 2 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Set Configuration (0x03) Response Accept (0x02) type 0x00 label 8 nosp 0
> HCI Event: Number of Completed Packets (0x13) plen 5     #109 [hci0] 7.374720
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #106: len 19 (38 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-7 msec ~4 msec)
bluetoothd[1019]: < ACL Data TX: Hand.. flags 0x00 dlen 7  #110 [hci0] 7.376722
      Channel: 94 len 3 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Open (0x06) Command (0x00) type 0x00 label 9 nosp 0
        ACP SEID: 5
> ACL Data RX: Handle 4 flags 0x02 dlen 9                  #111 [hci0] 7.378613
      Channel: 66 len 5 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Delay Report (0x0d) Command (0x00) type 0x00 label 1 nosp 0
        ACP SEID: 1
        Delay: 280.0ms
bluetoothd[1019]: < ACL Data TX: Hand.. flags 0x00 dlen 6  #112 [hci0] 7.378652
      Channel: 94 len 2 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Delay Report (0x0d) Response Accept (0x02) type 0x00 label 1 nosp 0
> HCI Event: Number of Completed Packets (0x13) plen 5     #113 [hci0] 7.380723
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #110: len 7 (14 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 94 [PSM 25 mode Basic (0x00)] {chan 2}
        Channel Latency: 4 msec (3-4 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #114 [hci0] 7.382718
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #112: len 6 (12 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 94 [PSM 25 mode Basic (0x00)] {chan 2}
        Channel Latency: 4 msec (3-4 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 19                 #115 [hci0] 7.383612
      Channel: 65 len 15 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 10
         FCS: 0xbf
        41 54 2b 43 4c 49 50 3d 31 0d bf                 AT+CLIP=1..     
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #116 [hci0] 7.383680
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> ACL Data RX: Handle 4 flags 0x02 dlen 18                 #117 [hci0] 7.386612
      Channel: 65 len 14 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 9
         FCS: 0xbf
        41 54 2b 42 43 53 3d 32 0d bf                    AT+BCS=2..      
> HCI Event: Number of Completed Packets (0x13) plen 5     #118 [hci0] 7.386720
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #116: len 14 (37 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (2-7 msec ~3 msec)
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #119 [hci0] 7.390121
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5     #120 [hci0] 7.392718
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #119: len 14 (56 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 2 msec (2-7 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 6                  #121 [hci0] 7.393616
      Channel: 66 len 2 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Open (0x06) Response Accept (0x02) type 0x00 label 9 nosp 0
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #122 [hci0] 7.393712
      L2CAP: Connection Request (0x02) ident 9 len 4
        PSM: 25 (0x0019)
        Source CID: 67
> HCI Event: Number of Completed Packets (0x13) plen 5     #123 [hci0] 7.398726
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #122: len 12 (19 Kb/s)
        Latency: 5 msec (2-16 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 34                 #124 [hci0] 7.401619
      Channel: 65 len 30 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 25
         FCS: 0xbf
        41 54 2b 58 41 50 4c 3d 30 30 30 44 2d 30 30 30  AT+XAPL=000D-000
        31 2d 30 31 30 31 2c 32 0d bf                    1-0101,2..      
< ACL Data TX: Handle 4 flags 0x00 dlen 26                 #125 [hci0] 7.401667
      Channel: 93 len 22 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 18
         FCS: 0x65
        0d 0a 2b 58 41 50 4c 3d 69 50 68 6f 6e 65 2c 32  ..+XAPL=iPhone,2
        0d 0a 65                                         ..e             
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #126 [hci0] 7.401675
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5     #127 [hci0] 7.404723
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #125: len 26 (69 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (2-7 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #128 [hci0] 7.406723
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #126: len 14 (22 Kb/s)
        Latency: 5 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 5 msec (2-7 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 30                 #129 [hci0] 7.408612
      Channel: 65 len 26 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 21
         FCS: 0xbf
        41 54 2b 42 49 41 3d 30 2c 31 2c 31 2c 31 2c 30  AT+BIA=0,1,1,1,0
        2c 30 2c 30 0d bf                                ,0,0..          
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #130 [hci0] 7.412481
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> ACL Data RX: Handle 4 flags 0x02 dlen 16                 #131 [hci0] 7.412734
      L2CAP: Connection Response (0x03) ident 9 len 8
        Destination CID: 95
        Source CID: 67
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX: Handle 4 flags 0x00 dlen 16                 #132 [hci0] 7.412758
      L2CAP: Configure Request (0x04) ident 10 len 8
        Destination CID: 95
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 1021
> ACL Data RX: Handle 4 flags 0x02 dlen 16                 #133 [hci0] 7.416613
      L2CAP: Configure Request (0x04) ident 56 len 8
        Destination CID: 67
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
> ACL Data RX: Handle 4 flags 0x02 dlen 30                 #134 [hci0] 7.416614
      Channel: 65 len 26 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 21
         FCS: 0xbf
        41 54 2b 49 50 48 4f 4e 45 41 43 43 45 56 3d 31  AT+IPHONEACCEV=1
        2c 31 2c 38 0d bf                                ,1,8..          
< ACL Data TX: Handle 4 flags 0x00 dlen 18                 #135 [hci0] 7.416632
      L2CAP: Configure Response (0x05) ident 56 len 10
        Source CID: 95
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
> HCI Event: Number of Completed Packets (0x13) plen 5     #136 [hci0] 7.416722
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #130: len 14 (28 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-7 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #137 [hci0] 7.418721
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #132: len 16 (25 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #138 [hci0] 7.418963
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5     #139 [hci0] 7.420720
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #135: len 18 (36 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 18                 #140 [hci0] 7.421621
      Channel: 65 len 14 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 9
         FCS: 0xbf
        41 54 2b 56 47 4d 3d 39 0d bf                    AT+VGM=9..      
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #141 [hci0] 7.422719
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> HCI Event: Number of Completed Packets (0x13) plen 5     #142 [hci0] 7.422721
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #138: len 14 (37 Kb/s)
        Latency: 3 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 3 msec (2-7 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #143 [hci0] 7.426731
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #141: len 14 (28 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 4 msec (2-7 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 19                 #144 [hci0] 7.437611
      Channel: 65 len 15 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xef poll/final 0
         Length: 10
         FCS: 0xbf
        41 54 2b 56 47 53 3d 31 32 0d bf                 AT+VGS=12..     
> ACL Data RX: Handle 4 flags 0x02 dlen 18                 #145 [hci0] 7.437612
      L2CAP: Configure Response (0x05) ident 10 len 10
        Source CID: 67
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #146 [hci0] 7.437853
      L2CAP: Connection Request (0x02) ident 11 len 4
        PSM: 23 (0x0017)
        Source CID: 68
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 24  #147 [hci0] 7.437888
      Channel: 92 len 20 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 1 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
< ACL Data TX: Handle 4 flags 0x00 dlen 14                 #148 [hci0] 7.438680
      Channel: 93 len 10 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x13 cr 1 dlci 0x04
         Control: 0xef poll/final 0
         Length: 6
         FCS: 0x65
        0d 0a 4f 4b 0d 0a 65                             ..OK..e         
> ACL Data RX: Handle 4 flags 0x02 dlen 12                 #149 [hci0] 7.441614
      L2CAP: Connection Request (0x02) ident 57 len 4
        PSM: 1 (0x0001)
        Source CID: 96
< ACL Data TX: Handle 4 flags 0x00 dlen 16                 #150 [hci0] 7.441633
      L2CAP: Connection Response (0x03) ident 57 len 8
        Destination CID: 69
        Source CID: 96
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #151 [hci0] 7.441640
      L2CAP: Configure Request (0x04) ident 12 len 4
        Destination CID: 96
        Flags: 0x0000
> HCI Event: Number of Completed Packets (0x13) plen 5     #152 [hci0] 7.441722
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #146: len 12 (32 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #153 [hci0] 7.443724
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #147: len 24 (38 Kb/s)
        Latency: 5 msec (2-16 msec ~4 msec)
        Channel: 92 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 5 msec (3-5 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #154 [hci0] 7.445722
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #148: len 14 (16 Kb/s)
        Latency: 7 msec (2-16 msec ~5 msec)
        Channel: 93 [PSM 3 mode Basic (0x00)] {chan 1}
        Channel Latency: 7 msec (2-7 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 9                  #155 [hci0] 7.446620
      Channel: 65 len 5 [PSM 3 mode Basic (0x00)] {chan 1}
      RFCOMM: Unnumbered Info with Header Check (UIH) (0xef)
         Address: 0x11 cr 0 dlci 0x04
         Control: 0xff poll/final 1
         Length: 0
         FCS: 0xa3
         Credits: 10
        a3                                               .               
> HCI Event: Number of Completed Packets (0x13) plen 5     #156 [hci0] 7.447726
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #150: len 16 (21 Kb/s)
        Latency: 6 msec (2-16 msec ~6 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #157 [hci0] 7.449725
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #151: len 12 (12 Kb/s)
        Latency: 8 msec (2-16 msec ~7 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                 #158 [hci0] 7.457628
      L2CAP: Connection Response (0x03) ident 11 len 8
        Destination CID: 97
        Source CID: 68
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #159 [hci0] 7.457645
      L2CAP: Configure Request (0x04) ident 13 len 4
        Destination CID: 97
        Flags: 0x0000
> ACL Data RX: Handle 4 flags 0x02 dlen 16                 #160 [hci0] 7.460612
      L2CAP: Configure Request (0x04) ident 58 len 8
        Destination CID: 68
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
< ACL Data TX: Handle 4 flags 0x00 dlen 18                 #161 [hci0] 7.460627
      L2CAP: Configure Response (0x05) ident 58 len 10
        Source CID: 97
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 679
> HCI Event: Number of Completed Packets (0x13) plen 5     #162 [hci0] 7.461724
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #159: len 12 (24 Kb/s)
        Latency: 4 msec (2-16 msec ~5 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #163 [hci0] 7.464721
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #161: len 18 (36 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 152                #164 [hci0] 7.465612
      Channel: 64 len 148 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 1 len 143
        Attribute bytes: 136
        Continuation state: 4
        00 02 00 00                                      ....            
> ACL Data RX: Handle 4 flags 0x02 dlen 16                 #165 [hci0] 7.465613
      L2CAP: Configure Request (0x04) ident 59 len 8
        Destination CID: 69
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
< ACL Data TX: Handle 4 flags 0x00 dlen 18                 #166 [hci0] 7.465626
      L2CAP: Configure Response (0x05) ident 59 len 10
        Source CID: 96
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 28  #167 [hci0] 7.465671
      Channel: 92 len 24 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 2 len 19
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 4
        00 02 00 00                                      ....            
> ACL Data RX: Handle 4 flags 0x02 dlen 14                 #168 [hci0] 7.468622
      L2CAP: Configure Response (0x05) ident 12 len 6
        Source CID: 69
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event: Number of Completed Packets (0x13) plen 5     #169 [hci0] 7.469728
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #166: len 18 (36 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #170 [hci0] 7.471726
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #167: len 28 (37 Kb/s)
        Latency: 6 msec (2-16 msec ~5 msec)
        Channel: 92 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 6 msec (3-6 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 14                 #171 [hci0] 7.482611
      L2CAP: Configure Response (0x05) ident 13 len 6
        Source CID: 68
        Flags: 0x0000
        Result: Success (0x0000)
> ACL Data RX: Handle 4 flags 0x02 dlen 18                 #172 [hci0] 7.482613
      Channel: 68 len 14 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Command: type 0x00 label 1 PID 0x110e
        AV/C: Status: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: GetCapabilities pt Single len 0x0001
            CapabilityID: 0x03 (EventsID)
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 26  #173 [hci0] 7.483028
      Channel: 97 len 22 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Response: type 0x00 label 1 PID 0x110e
        AV/C: Stable: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: GetCapabilities pt Single len 0x0009
            CapabilityID: 0x03 (EventsID)
            CapabilityCount: 0x07
            EventsID: 0x01 (EVENT_PLAYBACK_STATUS_CHANGED)
            EventsID: 0x02 (EVENT_TRACK_CHANGED)
            EventsID: 0x03 (EVENT_TRACK_REACHED_END)
            EventsID: 0x04 (EVENT_TRACK_REACHED_START)
            EventsID: 0x08 (EVENT_PLAYER_APPLICATION_SETTING_CHANGED)
            EventsID: 0x0a (EVENT_AVAILABLE_PLAYERS_CHANGED)
            EventsID: 0x0b (EVENT_ADDRESSED_PLAYER_CHANGED)
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 18  #174 [hci0] 7.483037
      Channel: 97 len 14 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Command: type 0x00 label 0 PID 0x110e
        AV/C: Status: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: GetCapabilities pt Single len 0x0001
            CapabilityID: 0x03 (EventsID)
> ACL Data RX: Handle 4 flags 0x02 dlen 38                 #175 [hci0] 7.486615
      Channel: 69 len 34 [PSM 1 mode Basic (0x00)] {chan 5}
      SDP: Service Search Attribute Request (0x06) tid 1 len 29
        Search pattern: [len 19]
          Sequence (6) with 17 bytes [8 extra bits] len 19
            UUID (3) with 16 bytes [0 extra bits] len 17
              00000000-deca-fade-deca-deafdecacafe
        Max record count: 192
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0001ffff
        Continuation state: 0
> ACL Data RX: Handle 4 flags 0x02 dlen 161                #176 [hci0] 7.486617
      Channel: 64 len 157 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 2 len 152
        Attribute bytes: 145
        Continuation state: 4
        00 04 00 00                                      ....            
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 28  #177 [hci0] 7.486684
      Channel: 92 len 24 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 3 len 19
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              L2CAP (0x0100)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 4
        00 04 00 00                                      ....            
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 14  #178 [hci0] 7.486734
      Channel: 96 len 10 [PSM 1 mode Basic (0x00)] {chan 5}
      SDP: Service Search Attribute Response (0x07) tid 1 len 5
        Attribute bytes: 2
        Continuation state: 0
> HCI Event: Number of Completed Packets (0x13) plen 5     #179 [hci0] 7.487725
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #173: len 26 (52 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 97 [PSM 23 mode Basic (0x00)] {chan 4}
        Channel Latency: 4 msec (4-4 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #180 [hci0] 7.489727
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #174: len 18 (24 Kb/s)
        Latency: 6 msec (2-16 msec ~5 msec)
        Channel: 97 [PSM 23 mode Basic (0x00)] {chan 4}
        Channel Latency: 6 msec (4-6 msec ~5 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #181 [hci0] 7.490724
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #177: len 28 (56 Kb/s)
        Latency: 4 msec (2-16 msec ~4 msec)
        Channel: 92 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 4 msec (3-6 msec ~4 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #182 [hci0] 7.492724
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #178: len 14 (22 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
        Channel: 96 [PSM 1 mode Basic (0x00)] {chan 5}
        Channel Latency: 5 msec (5-5 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 22                 #183 [hci0] 7.493616
      Channel: 68 len 18 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Command: type 0x00 label 2 PID 0x110e
        AV/C: Notify: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: RegisterNotification pt Single len 0x0005
            EventID: 0x01 (EVENT_PLAYBACK_STATUS_CHANGED)
            Interval: 0x00000000 (0 seconds)
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 19  #184 [hci0] 7.493650
      Channel: 97 len 15 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Response: type 0x00 label 2 PID 0x110e
        AV/C: Interim: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: RegisterNotification pt Single len 0x0002
            EventID: 0x01 (EVENT_PLAYBACK_STATUS_CHANGED)
            PlayStatus: 0x00 (STOPPED)
> ACL Data RX: Handle 4 flags 0x02 dlen 20                 #185 [hci0] 7.498626
      Channel: 68 len 16 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Response: type 0x00 label 0 PID 0x110e
        AV/C: Stable: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: GetCapabilities pt Single len 0x0003
            CapabilityID: 0x03 (EventsID)
            CapabilityCount: 0x01
            EventsID: 0x0d (EVENT_VOLUME_CHANGED)
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 22  #186 [hci0] 7.498703
      Channel: 97 len 18 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Command: type 0x00 label 1 PID 0x110e
        AV/C: Notify: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: RegisterNotification pt Single len 0x0005
            EventID: 0x0d (EVENT_VOLUME_CHANGED)
            Interval: 0x00000000 (0 seconds)
> HCI Event: Number of Completed Packets (0x13) plen 5     #187 [hci0] 7.498730
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #184: len 19 (30 Kb/s)
        Latency: 5 msec (2-16 msec ~5 msec)
        Channel: 97 [PSM 23 mode Basic (0x00)] {chan 4}
        Channel Latency: 5 msec (4-6 msec ~5 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5     #188 [hci0] 7.501725
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #186: len 22 (58 Kb/s)
        Latency: 3 msec (2-16 msec ~4 msec)
        Channel: 97 [PSM 23 mode Basic (0x00)] {chan 4}
        Channel Latency: 3 msec (3-6 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 99                 #189 [hci0] 7.512614
      Channel: 64 len 95 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 3 len 90
        Attribute bytes: 87
        Continuation state: 0
        Combined attribute bytes: 368
          Attribute list: [len 62] {position 0}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010005
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                A/V Remote Control Target (0x110c)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0017
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  AVCTP (0x0017)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0104
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  A/V Remote Control (0x110e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0106
            Attribute: Unknown (0x0311) [len 2]
              0x0002
          Attribute list: [len 65] {position 1}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010004
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                A/V Remote Control (0x110e)
              UUID (3) with 2 bytes [0 extra bits] len 3
                A/V Remote Control Controller (0x110f)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0017
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  AVCTP (0x0017)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0104
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  A/V Remote Control (0x110e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0106
            Attribute: Unknown (0x0311) [len 2]
              0x0001
          Attribute list: [len 62] {position 2}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010003
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Audio Sink (0x110b)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0019
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  AVDTP (0x0019)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0103
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Advanced Audio Distribution (0x110d)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0104
            Attribute: Unknown (0x0311) [len 2]
              0x0001
          Attribute list: [len 77] {position 3}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010002
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Handsfree (0x111e)
              UUID (3) with 2 bytes [0 extra bits] len 3
                Generic Audio (0x1203)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [8 extra bits] len 5
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [8 extra bits] len 7
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x02
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [8 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Handsfree (0x111e)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0107
            Attribute: Unknown (0x0100) [len 2]
              Handsfree [len 9]
            Attribute: Unknown (0x0311) [len 2]
              0x0035
          Attribute list: [len 84] {position 4}
            Attribute: Service Record Handle (0x0000) [len 2]
              0x00010001
            Attribute: Service Class ID List (0x0001) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Serial Port (0x1101)
            Attribute: Protocol Descriptor List (0x0004) [len 2]
              Sequence (6) with 3 bytes [16 extra bits] len 6
                UUID (3) with 2 bytes [0 extra bits] len 3
                  L2CAP (0x0100)
              Sequence (6) with 5 bytes [16 extra bits] len 8
                UUID (3) with 2 bytes [0 extra bits] len 3
                  RFCOMM (0x0003)
                Unsigned Integer (1) with 1 byte [0 extra bits] len 2
                  0x01
            Attribute: Browse Group List (0x0005) [len 2]
              UUID (3) with 2 bytes [0 extra bits] len 3
                Public Browse Root (0x1002)
            Attribute: Language Base Attribute ID List (0x0006) [len 2]
              Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                0x656e
              Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                0x006a
              Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                0x0100
            Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
              Sequence (6) with 6 bytes [16 extra bits] len 9
                UUID (3) with 2 bytes [0 extra bits] len 3
                  Serial Port (0x1101)
                Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
                  0x0102
            Attribute: Unknown (0x0100) [len 2]
              SPP [len 3]
> ACL Data RX: Handle 4 flags 0x02 dlen 12                 #190 [hci0] 7.512617
      L2CAP: Disconnection Request (0x06) ident 60 len 4
        Destination CID: 69
        Source CID: 96
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #191 [hci0] 7.512639
      L2CAP: Disconnection Response (0x07) ident 60 len 4
        Destination CID: 69
        Source CID: 96
> HCI Event: Number of Completed Packets (0x13) plen 5     #192 [hci0] 7.514730
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #191: len 12 (48 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
bluetoothd[1019]: < ACL Data TX: Han.. flags 0x00 dlen 24  #193 [hci0] 7.515249
      Channel: 92 len 20 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 4 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              PnP Information (0x1200)
        Max record count: 65535
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0000ffff
        Continuation state: 0
> ACL Data RX: Handle 4 flags 0x02 dlen 19                 #194 [hci0] 7.519612
      Channel: 68 len 15 [PSM 23 mode Basic (0x00)] {chan 4}
      AVCTP Control: Response: type 0x00 label 1 PID 0x110e
        AV/C: Interim: address 0x48 opcode 0x00
          Subunit: Panel
          Opcode: Vendor Dependent
          Company ID: 0x001958
          AVRCP: RegisterNotification pt Single len 0x0002
            EventID: 0x0d (EVENT_VOLUME_CHANGED)
            Volume: 69.29% (88/127)
> HCI Event: Number of Completed Packets (0x13) plen 5     #195 [hci0] 7.519727
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #193: len 24 (48 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
        Channel: 92 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 4 msec (3-6 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 15                 #196 [hci0] 7.530625
      Channel: 64 len 11 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 4 len 6
        Attribute bytes: 3
        Continuation state: 0
> ACL Data RX: Handle 4 flags 0x02 dlen 9                  #197 [hci0] 8.587634
      Channel: 66 len 5 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Delay Report (0x0d) Command (0x00) type 0x00 label 2 nosp 0
        ACP SEID: 1
        Delay: 280.0ms
bluetoothd[1019]: < ACL Data TX: Hand.. flags 0x00 dlen 6  #198 [hci0] 8.587791
      Channel: 94 len 2 [PSM 25 mode Basic (0x00)] {chan 2}
      AVDTP: Delay Report (0x0d) Response Accept (0x02) type 0x00 label 2 nosp 0
> HCI Event: Number of Completed Packets (0x13) plen 5     #199 [hci0] 8.591824
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #198: len 6 (12 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
        Channel: 94 [PSM 25 mode Basic (0x00)] {chan 2}
        Channel Latency: 4 msec (3-4 msec ~4 msec)
< ACL Data TX: Handle 4 flags 0x00 dlen 12                 #200 [hci0] 9.308494
      L2CAP: Disconnection Request (0x06) ident 14 len 4
        Destination CID: 92
        Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen 5     #201 [hci0] 9.312036
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #200: len 12 (32 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 12                 #202 [hci0] 9.321750
      L2CAP: Disconnection Response (0x07) ident 14 len 4
        Destination CID: 92
        Source CID: 64
> ACL Data RX: Handle 4 flags 0x02 dlen 12                #203 [hci0] 11.177618
      L2CAP: Connection Request (0x02) ident 61 len 4
        PSM: 1 (0x0001)
        Source CID: 98
< ACL Data TX: Handle 4 flags 0x00 dlen 16                #204 [hci0] 11.177695
      L2CAP: Connection Response (0x03) ident 61 len 8
        Destination CID: 64
        Source CID: 98
        Result: Connection successful (0x0000)
        Status: No further information available (0x0000)
< ACL Data TX: Handle 4 flags 0x00 dlen 12                #205 [hci0] 11.177709
      L2CAP: Configure Request (0x04) ident 15 len 4
        Destination CID: 98
        Flags: 0x0000
> HCI Event: Number of Completed Packets (0x13) plen 5    #206 [hci0] 11.181929
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #204: len 16 (32 Kb/s)
        Latency: 4 msec (2-16 msec ~3 msec)
> HCI Event: Number of Completed Packets (0x13) plen 5    #207 [hci0] 11.183925
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #205: len 12 (16 Kb/s)
        Latency: 6 msec (2-16 msec ~5 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 16                #208 [hci0] 11.185624
      L2CAP: Configure Request (0x04) ident 62 len 8
        Destination CID: 64
        Flags: 0x0000
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
< ACL Data TX: Handle 4 flags 0x00 dlen 18                #209 [hci0] 11.185666
      L2CAP: Configure Response (0x05) ident 62 len 10
        Source CID: 98
        Flags: 0x0000
        Result: Success (0x0000)
        Option: Maximum Transmission Unit (0x01) [mandatory]
          MTU: 192
> ACL Data RX: Handle 4 flags 0x02 dlen 14                #210 [hci0] 11.187627
      L2CAP: Configure Response (0x05) ident 15 len 6
        Source CID: 64
        Flags: 0x0000
        Result: Success (0x0000)
> HCI Event: Number of Completed Packets (0x13) plen 5    #211 [hci0] 11.188930
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #209: len 18 (48 Kb/s)
        Latency: 3 msec (2-16 msec ~4 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 38                #212 [hci0] 11.198615
      Channel: 64 len 34 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 1 len 29
        Search pattern: [len 19]
          Sequence (6) with 17 bytes [8 extra bits] len 19
            UUID (3) with 16 bytes [0 extra bits] len 17
              00000000-deca-fade-deca-deafdecacafe
        Max record count: 192
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0001ffff
        Continuation state: 0
bluetoothd[1019]: < ACL Data TX: Ha.. flags 0x00 dlen 14  #213 [hci0] 11.198806
      Channel: 98 len 10 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 1 len 5
        Attribute bytes: 2
        Continuation state: 0
> HCI Event: Number of Completed Packets (0x13) plen 5    #214 [hci0] 11.200930
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #213: len 14 (56 Kb/s)
        Latency: 2 msec (2-16 msec ~3 msec)
        Channel: 98 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 2 msec (2-2 msec ~2 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 24                #215 [hci0] 11.211611
      Channel: 64 len 20 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Request (0x06) tid 2 len 15
        Search pattern: [len 5]
          Sequence (6) with 3 bytes [8 extra bits] len 5
            UUID (3) with 2 bytes [0 extra bits] len 3
              Serial Port (0x1101)
        Max record count: 192
        Attribute list: [len 7]
          Sequence (6) with 5 bytes [8 extra bits] len 7
            Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
              0x0001ffff
        Continuation state: 0
bluetoothd[1019]: < ACL Data TX: Ha.. flags 0x00 dlen 14  #216 [hci0] 11.211758
      Channel: 98 len 10 [PSM 1 mode Basic (0x00)] {chan 0}
      SDP: Service Search Attribute Response (0x07) tid 2 len 5
        Attribute bytes: 2
        Continuation state: 0
> HCI Event: Number of Completed Packets (0x13) plen 5    #217 [hci0] 11.214931
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #216: len 14 (37 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
        Channel: 98 [PSM 1 mode Basic (0x00)] {chan 0}
        Channel Latency: 3 msec (2-3 msec ~2 msec)
> ACL Data RX: Handle 4 flags 0x02 dlen 12                #218 [hci0] 11.224617
      L2CAP: Disconnection Request (0x06) ident 63 len 4
        Destination CID: 64
        Source CID: 98
< ACL Data TX: Handle 4 flags 0x00 dlen 12                #219 [hci0] 11.224681
      L2CAP: Disconnection Response (0x07) ident 63 len 4
        Destination CID: 64
        Source CID: 98
> HCI Event: Number of Completed Packets (0x13) plen 5    #220 [hci0] 11.227932
        Num handles: 1
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Count: 1
        #219: len 12 (32 Kb/s)
        Latency: 3 msec (2-16 msec ~3 msec)
> HCI Event: Mode Change (0x14) plen 6                    #221 [hci0] 16.237362
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Mode: Sniff (0x02)
        Interval: 500.000 msec (0x0320)
> HCI Event: Mode Change (0x14) plen 6                    #222 [hci0] 37.600426
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Mode: Active (0x00)
        Interval: 0.000 msec (0x0000)
> HCI Event: Disconnect Complete (0x05) plen 4            #223 [hci0] 37.629701
        Status: Success (0x00)
        Handle: 4 Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Reason: LMP Response Timeout / LL Response Timeout (0x22)
@ MGMT Event: Device Disconnected (0x000c) plen 8     {0x0001} [hci0] 37.629778
        BR/EDR Address: B0:F0:0C:78:4F:FF (Dongguan Wecxw CO.,Ltd.)
        Reason: Unspecified (0x00)
bluetoothd[1019]: = src/profile.c:ext_io_disconnected() Unable to..   37.650940