hci0: Type: BR/EDR Bus: USB BD Address: XXX ACL MTU: 820:8 SCO MTU: 255:16 UP RUNNING RX bytes:1276 acl:0 sco:0 events:80 errors:0 TX bytes:3533 acl:0 sco:0 commands:80 errors:0 Features: 0xff 0xfb 0xff 0xfe 0xdb 0xff 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: XXXXXXXXXXXXXXXXXXXXXX Class: 0x1c010c Service Classes: Rendering, Capturing, Object Transfer Device Class: Computer, Laptop HCI Version: 4.0 (0x6) Revision: 0x221f LMP Version: 4.0 (0x6) Subversion: 0xc357 Manufacturer: Realtek Semiconductor Corporation (93)