BL Tools (sdptool / bluetoothctl / hciconfig)

pi@raspberrypi:~ $ sdptool browse 78:44:05:4B:4F:FF
Browsing 78:44:05:4B:4F:FF ...
Service Name: HandsFree
Service RecHandle: 0x10000
Service Class ID List:
  "Handsfree" (0x111e)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Handsfree" (0x111e)
    Version: 0x0105

Service Name: A2DP Sink
Service RecHandle: 0x10004
Service Class ID List:
  "Audio Sink" (0x110b)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 25
  "AVDTP" (0x0019)
    uint16: 0x0102
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Advanced Audio" (0x110d)
    Version: 0x0102

Service Name: AVRCP CT
Service RecHandle: 0x10005
Service Class ID List:
  "AV Remote" (0x110e)
  "AV Remote Controller" (0x110f)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 23
  "AVCTP" (0x0017)
    uint16: 0x0103
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "AV Remote" (0x110e)
    Version: 0x0104

Service Name: AVRCP TG
Service RecHandle: 0x10006
Service Class ID List:
  "AV Remote Target" (0x110c)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 23
  "AVCTP" (0x0017)
    uint16: 0x0103
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "AV Remote" (0x110e)
    Version: 0x0104

pi@raspberrypi:~ $ bluetoothctl
[NEW] Controller B8:27:EB:62:0D:EA raspberrypi [default]
[NEW] Device 78:44:05:4B:4F:FF JBL GO
[JBL GO]# info 78:44:05:4B:4F:FF
Device 78:44:05:4B:4F:FF
    Name: JBL GO
    Alias: JBL GO
    Class: 0x240404
    Icon: audio-card
    Paired: yes
    Trusted: yes
    Blocked: no
    Connected: yes
    LegacyPairing: no
    UUID: Serial Port               (00001101-0000-1000-8000-00805f9b34fb)
    UUID: Headset                   (00001108-0000-1000-8000-00805f9b34fb)
    UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
    UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
    UUID: Handsfree                 (0000111e-0000-1000-8000-00805f9b34fb)
[JBL GO]# exit
[DEL] Controller B8:27:EB:62:0D:EA raspberrypi [default]

pi@raspberrypi:~ $ hciconfig -a
hci0:   Type: Primary  Bus: UART
    BD Address: B8:27:EB:62:0D:EA  ACL MTU: 1021:8  SCO MTU: 64:1
    UP RUNNING PSCAN
    RX bytes:45763 acl:410 sco:0 events:3715 errors:0
    TX bytes:3330182 acl:5321 sco:19 commands:846 errors:0
    Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
    Link policy: RSWITCH SNIFF
    Link mode: SLAVE ACCEPT
    Name: 'raspberrypi'
    Class: 0x0c0000
    Service Classes: Rendering, Capturing
    Device Class: Miscellaneous,
    HCI Version: 4.1 (0x7)  Revision: 0x168
    LMP Version: 4.1 (0x7)  Subversion: 0x2209
    Manufacturer: Broadcom Corporation (15)