Bek Design :Good ideal for people who enjoy cutting-edge design, clear convenient, and a high level of sound quality and reliability in a mobile device.</br>Compatible with all bluetooth devices. Provides cutting edge design and a high level of performance and reliability in a mobile device</br>Application supports SMS Reading on Android devices</br>Current time alert, Battery Status alert and vibration on/off functions are also available.</br>Retractable earbuds provide a simple, unique approach to cord management. .</br></br>Product Description</br></br><b> Bek Design Bluetooth Headphone Wireless Neckband Sport Design with Hands-free Mic for iPhone Android LG Samsung and Other Devices </b> <br><br>Compatible with all bluetooth devices. <br>Provides cutting edge design and a high level of performance and reliability in a mobile device. <br>Retractable earbuds provide a simple, unique approach to cord management. <br>Application supports SMS Reading on Android devices.<br>Current time alert, Battery Status alert and vibration on/off functions are also available.<br> <br>Device Type: Bluetooth Headset <br>Bluetooth chip: CSR BC8635 <br>Bluetooth Version: 4.0 <br>Transmission distance: 10 meters<br> Distortion factor: d1% <br>Frequency response: 20Hz-20KHz <br>Working Time: Music state 10 H/ Talkingstate 15H <br>Charging Time: 2h <br>Battery: 3.7V/195MAH (Polymer rechargeable battery) ANC<br> Frequency: 100-1000HZ <br><br><b> Packing Includes: </b> <br>1 x Bluetooth Headphone <br>1 x USB Charging Cable <br>4 x Silicon Earplug</br><br/>http://www.amazon.com/gp/product/B01JUMIAJQ