Item Specifics:
Bluetooch 4.1 +EDR specification.
Battery capacity: 120 mAh.
Bluetooth protocol: HFP v1.6, HSP v1.2,A2DP v1.3, AVRCP v1.5, SPP v1.2
Audio performance: Support SBC, MP3, AAC,stereo.
Bluetooth distance: 10 meters(accessibility).
Working time: 3 hours use with 100 hour standby
Answer / hang up the phone, call waiting,volume adjustment, up and down the first switch, music play / pause, telephone redial,Bluetooth Wireless