hci0: Type: Primary Bus: USB BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 820:8 SCO MTU: 255:12 UP RUNNING RX bytes:1486 acl:0 sco:0 events:106 errors:0 TX bytes:5572 acl:0 sco:0 commands:106 errors:0 Features: 0xff 0xff 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: PERIPHERAL ACCEPT Name: XXX Class: 0x7c010c Service Classes: Rendering, Capturing, Object Transfer, Audio, Telephony Device Class: Computer, Laptop HCI Version: 4.2 (0x8) Revision: 0xc LMP Version: 4.2 (0x8) Subversion: 0x8821 Manufacturer: Realtek Semiconductor Corporation (93)