10M/33 Feet (Without obstacles, it’s also subjected to the condition of your Phone.)
Built-in Lithium-ion battery:
3.7V90mAh（support about 4-5 hours talk time, 4- 5hours music playing） Battery status also will automatically be displayed on the Phone's screen.
Turn On￫Pairing mode
Turn on the headset by long pressing on （Indicator light up in blue）￫ Keep pressing until blue and red light flash alternately￫enter Bluetooth pairing mode.
Music Playing Answering Call：short press to answer the calling/re-press to end the call. Reject：continuously press 3 times in a quick way to reject the call.
Pause/Play：during music mode, short press to stop/restart the playing. Volume+/-：during music mode, Long press to adjust the volume. BACK/FDW：during music mode,short press to change songs.