hci0: Type: BR/EDR Bus: USB BD Address: XXX ACL MTU: 820:8 SCO MTU: 255:16 DOWN RX bytes:558 acl:0 sco:0 events:28 errors:0 TX bytes:355 acl:0 sco:0 commands:28 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: SLAVE ACCEPT