hci0: Type: BR/EDR Bus: USB BD Address: XXX ACL MTU: 1022:8 SCO MTU: 183:5 DOWN RX bytes:921 acl:0 sco:0 events:40 errors:0 TX bytes:398 acl:0 sco:0 commands:47 errors:7 Features: 0xff 0xfe 0x0d 0xfe 0xd8 0x7f 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF Link mode: SLAVE ACCEPT