bt ~ # lsusb
Bus 1 Device 3: ID 04f2:b057 Chicony Electronics Co., Ltd
Bus 1 Device 2: ID 0bda:0158 Realtek Semiconductor Corp.
Bus 1 Device 1: ID 0000:0000
Bus 4 Device 1: ID 0000:0000
Bus 3 Device 3: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
Bus 3 Device 1: ID 0000:0000
Bus 2 Device 5: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
Bus 2 Device 4: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
Bus 2 Device 1: ID 0000:0000
bt ~ # hciconfig -a
hci0:   Type: USB
        BD Address: 11:11:11:11:11:11 ACL MTU: 678:8 SCO MTU: 48:10
        UP RUNNING PSCAN
        RX bytes:3823 acl:0 sco:0 events:72 errors:0
        TX bytes:746 acl:0 sco:0 commands:71 errors:0
        Features: 0xbf 0xfe 0x8d 0x78 0x08 0x18 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'rose'
        Class: 0x84010c
        Service Classes: Rendering, Information
        Device Class: Computer, Laptop
        HCI Ver: 1.2 (0x2) HCI Rev: 0x1fe LMP Ver: 1.2 (0x2) LMP Subver: 0x1fe
        Manufacturer: Integrated System Solution Corp. (57)

hci1:   Type: USB
        BD Address: 11:11:11:11:11:11 ACL MTU: 678:8 SCO MTU: 48:10
        UP RUNNING PSCAN
        RX bytes:451 acl:0 sco:0 events:22 errors:0
        TX bytes:340 acl:0 sco:0 commands:22 errors:0
        Features: 0xbf 0xfe 0x8d 0x78 0x08 0x18 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'backtrack (1)'
        Class: 0x84010c
        Service Classes: Rendering, Information
        Device Class: Computer, Laptop
        HCI Ver: 1.2 (0x2) HCI Rev: 0x1fe LMP Ver: 1.2 (0x2) LMP Subver: 0x1fe
        Manufacturer: Integrated System Solution Corp. (57)

hci2:   Type: USB
        BD Address: 11:11:11:11:11:11 ACL MTU: 678:8 SCO MTU: 48:10
        UP RUNNING PSCAN
        RX bytes:162 acl:0 sco:0 events:18 errors:0
        TX bytes:328 acl:0 sco:0 commands:18 errors:0
        Features: 0xbf 0xfe 0x8d 0x78 0x08 0x18 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'backtrack (2)'
        Class: 0x84010c
        Service Classes: Rendering, Information
        Device Class: Computer, Laptop
        HCI Ver: 1.2 (0x2) HCI Rev: 0x1fe LMP Ver: 1.2 (0x2) LMP Subver: 0x1fe
        Manufacturer: Integrated System Solution Corp. (57)

bt ~ #