Bluetooth version: V4.1

Operating distance: Up to 10m (free space)

Bluetooth profiles: A2DP, AVRCP, HSP, HFP

Talk/music playtime: Approximately 4.5 hours

Standby Time :180 hours

Charging time: Approximately 2 hours

Compatible For:for iPhone/for Nokia/for HTC/for Samsung/for LG/for Moto/for PC/for iPad/for PSP and other Bluetooth devices.

Function:

Caller report/line control answer/hang up/rejection/on-off/redial/mute/volume adjustment/Chinese-English shifting/intelligent one-driving-two music pause/plau, up and down song switching