Material: Steel + Silicon<br><br>Bluetooth Version: Bluetooth V3.0+EDR<br><br>Bluetooth Protocol: A2DP + HFP 1.5 + HS P 1.2<br><br>Range of Frequency: 2.4GHz spectrum<br><br>Ambient Noise: 75dB<br><br>Transmitting Range: 10m<br> <br><br>Language Support:version: English, French, Spanish, Portuguese, Korean,Italian, German, Indonesian, Finnish, Thai, Turkish, Russian, Arabic, Swedish<br><br><br>Charging Time: about 1 hour (Do Not Overcharge )<br><br>Talk Time: about 3 hours<br><br>Music Play Time: about 6 hours<br><br>Standby Time: about 160 hours<br><br>Power Supply: Built-in 230mAh rechargeable battery<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5468be4b5f313f0ec3b745af-1-original.jpg?cache_buster=1447979424" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5468be4b5f313f0ec3b745af-2-original.jpg?cache_buster=1447979424" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5468be4b5f313f0ec3b745af-3-original.jpg?cache_buster=1447979424" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5468be4b5f313f0ec3b745af-4-original.jpg?cache_buster=1447979424" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">