Main Features:<br />1.English voice prompt : voice report of caller number<br />2.Universal design: Suitable for all mobile phones with Bluetooth feature・ apply to both left ear and right ear<br />3.Stereo design: High audio quality for calling and music playing・ which can meet popular demands<br />4.Two-in-one design: allow connectting two mobile phones simultaneously・ only one blutooth is required<br />5.Battery status: Display the battery status of the headphone on for iPhone screen<br />6.Noise control design: Strengthen the noise and echo cancellation feature to achieve high quality voice call<br />7.Comfortable design: Ergonomic design・ comfortable even if wearing long time<br />8.Hang up・ reject calls・ last number call-back<br /><br />Technical parameters<br />1. Bluetooth version: V4.0 + EDR compatible with V3.0・ V2.1・ V1.1<br />2・ Transmission power: Class2<br />3・ Transmission frequency: 2.4GHz<br />4・ Transmission distance: 10 meters above<br />5. Talk Time: 6-8 hours<br />6. Standby time: 120 hours<br />7. Supported file formats: A2DP music players・ headsets and hands-free mode<br /><br />Package included: <br />1 x Bluetooth Headset <br />1 x USB Cable <br />1 x Ear cap (pair)<br />1 x User manual