hci0: Type: BR/EDR Bus: USB BD Address: XXX ACL MTU: 1021:4 SCO MTU: 128:2 DOWN RX bytes:580 acl:0 sco:0 events:31 errors:0 TX bytes:371 acl:0 sco:0 commands:31 errors:0 Features: 0xff 0xff 0x8f 0xfe 0xdb 0xff 0x5b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT