hciconfig -a hci0
hci0:	Type: BR/EDR  Bus: USB
	BD Address: 00:1B:10:00:2A:EC  ACL MTU: 1017:8  SCO MTU: 64:1
	UP RUNNING PSCAN
	RX bytes:1630 acl:0 sco:0 events:65 errors:0
	TX bytes:2934 acl:0 sco:0 commands:65 errors:0
	Features: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x79 0x83
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
	Link policy: RSWITCH HOLD SNIFF PARK
	Link mode: SLAVE ACCEPT
	Name: 'jd-ubuntu-0'
	Class: 0x5a0104
	Service Classes: Networking, Capturing, Object Transfer, Telephony
	Device Class: Computer, Desktop workstation
	HCI Version: 2.1 (0x4)  Revision: 0x5000
	LMP Version: 2.1 (0x4)  Subversion: 0x420e
	Manufacturer: Broadcom Corporation (15)