hci0: Type: Primary Bus: USB BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 1021:8 SCO MTU: 255:12 UP RUNNING RX bytes:1635 acl:0 sco:0 events:179 errors:0 TX bytes:34952 acl:0 sco:0 commands:179 errors:0 Features: 0xff 0xff 0xff 0xfe 0xdb 0xfd 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: XXXXXXXXXXXXXXXXX Class: 0x200104 Service Classes: Audio Device Class: Computer, Desktop workstation HCI Version: 4.2 (0x8) Revision: 0x829a LMP Version: 4.2 (0x8) Subversion: 0x7644 Manufacturer: Realtek Semiconductor Corporation (93)