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:2243 acl:0 sco:0 events:209 errors:0 TX bytes:33102 acl:0 sco:0 commands:209 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: XXXXXXXXXX Class: 0x1c0000 Service Classes: Rendering, Capturing, Object Transfer Device Class: Miscellaneous, HCI Version: 5.1 (0xa) Revision: 0x999 LMP Version: 5.1 (0xa) Subversion: 0x3aa1 Manufacturer: Realtek Semiconductor Corporation (93)