?Bluetooth wireless headset supports most of Bluetooth enabled devices. Large capacity lithium battery and built-in microphone， hands-freefunction， which can answer the phone， music player. Super stereo two-channel let you enjoy the true high fidelity effect.<br> <br> Features:<br> Bluetooth + stereo headset combo.<br> Wireless headphone connects to other device that has Bluetooth function， compatible for iPhone， for iPod， for tablet， laptop， notebook， etc.<br> Allow you to answer phone calls and call back.<br> Built-in battery and long playing time that up to 10 hours.<br> Rechargeable battery， convenient and practical.<br> High quality and adjustable headband length， very comfortable to wear and easy to carry.<br> 3.5mm audio jack， provides a simple wired connection of a variety of devices without Bluetooth.<br> Best choice for listening music， watching movie， chatting online etc.<br> <br> Specifications:<br> Bluetooth version: V2.1<br> Operation distance: 10m / 33ft<br> Rechargeable lithium battery: 350mAh<br> Loudspeaker impedance: 32┯<br> Loudspeaker diameter: ┻40mm<br> Frequency range: 2.4GHz<br> Frequency response: 20Hz-20KHz<br> SNR: ＞85dB<br> Operating voltage: 60mA<br> Operating voltage: 3.5-4.2V<br> Charging time: 2-3 hrs<br> Talking time: 6 hrs<br> Standby time: 180 hrs<br> Playing time: 10 hrs<br> Item size: 15.5 * 6.10 * 18cm / 6.10 * 2.40 * 7.08in (L * W * H)<br> Item weight: 130g / 4.58oz<br> Package size: 19 * 16.5 * 7.7cm / 7.48 * 6.49 * 3.03in (L * W * H)<br> Package weight: 263g / 9.30oz<br> <br> Package List:<br> 1 * Headset<br> 1 * USB to audio jack cable<br> 1 * 3.5mm audio cable<br> 1 * User Manual (English)<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>