Stereo bluetooth headset,support two devices,heavy bass

1.Hand free and music player

2. Bluetooth V4.1+EDR

3.Distance:V4.1 10M

4.Frequency: 2.4G

5.Calling time: 4 hours

6.Standby time: 120 hours

7.Reception level of sensitivity: < -80dBm

8.Rechargeable battery: 250 mah

9.Compatible with mobile phone,pad,notebook and anyother bluetooth devices

10.Accessories: Headset, USB table,card paper,blister packaging                                               11. Function: adjust the volume, switch songs, call to answer, call rejection, hang up, Bluetooth, hands-free calls, phone replay, Bluetooth back, voice prompts, power display, FM, TF (32GB MAX)