HP-12 150mAh 10H Wireless Business Earphone

Bluetooth Version:4.1

Chip:BK

Battery:150mAh,3.7V

Function:calling,listen to music,one drag two,voice function,phone redial,volume addition and subtraction

audio commentator

calling time:10 hours

standby time:150 hours

charging time:2 hours 

working time:0~10 metres