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Features:

* Bluetooth specification: Bluetooch 4.1 +EDR specification.

* Battery capacity: 120mAH.

* 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: 4 hours.

*Answer / hang up the phone， call waiting，volume adjustment， up and down the first switch， themusic play / pause， power and connected tothe voice prompts， maximum / minimum volume of voice prompts， telephone redial，Bluetooth phone home.

* Can simultaneously connect two mobilephones.

* Caller ID voice reporting

* Power display