hci0: Type: Primary Bus: USB BD Address: XX:XX:XX:XX:XX:XX ACL MTU: 1021:6 SCO MTU: 240:8 UP RUNNING RX bytes:16192 acl:0 sco:0 events:2195 errors:0 TX bytes:535931 acl:0 sco:0 commands:2195 errors:0 Features: 0xbf 0x3e 0x8d 0xfe 0xdb 0xff 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH SNIFF Link mode: PERIPHERAL ACCEPT Name: XXX Class: 0x6c0000 Service Classes: Rendering, Capturing, Audio, Telephony Device Class: Miscellaneous, HCI Version: 5.2 (0xb) Revision: 0x1616 LMP Version: 5.2 (0xb) Subversion: 0x2407 Manufacturer: MediaTek, Inc. (70)