ABLEGRID&reg; Trademarked HV-800 Wireless Bluetooth Sports Headset Stereo Music Headset Universal Neckband for cellphones (White) We have the brand "ABLEGRID"! If you need to buy a lot of number, you can contact us to help you return part of the freight. Newest Wireless CSR 3.0 Bluetooth headphone headset In earphone HV-800 stereo two-channel MP3 Music Handsfree with vibration microphone for iPhone, Samsung, HTC and other bluetooth devices. This product uses the new headset shape design, using the world famous brands CSR BC05 Bluetooth Stereo Bluetooth chips, to ensure high-fidelity sound quality and stable performance and excellent call quality. This product supports Bluetooth V2.1 version, support for Bluetooth A2DP and calling features. Battery time supports up to 8-15 hours. It can connect bluetooth with two devices.