hci0: Type: BR/EDR Bus: USB BD Address: XXX ACL MTU: 1021:8 SCO MTU: 64:1 DOWN RX bytes:1118 acl:0 sco:0 events:62 errors:0 TX bytes:3397 acl:0 sco:0 commands:62 errors:0 Features: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x79 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT