hci0: Type: Primary Bus: USB BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 1021:6 SCO MTU: 255:12 UP RUNNING RX bytes:907 acl:0 sco:0 events:77 errors:0 TX bytes:5443 acl:0 sco:0 commands:78 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: PERIPHERAL ACCEPT Name: XXX Class: 0x7c0000 Service Classes: Rendering, Capturing, Object Transfer, Audio, Telephony Device Class: Miscellaneous, HCI Version: 5.2 (0xb) Revision: 0xb LMP Version: 5.2 (0xb) Subversion: 0x8852 Manufacturer: Realtek Semiconductor Corporation (93)