Generic Wireless Bluetooth V4.0+EDR HR-800 Neckband Sport Stereo Universal Headset Headphone for Smartphone Color Black for sliver head New design for recharge Bluetooth wireless headphone more convenient good Function and sound Smaller Lightweight But Support Bluetooth V4.0, Bluetooth A10DP and call Connect Two Devices at The Same Time and do not miss your calls when you have two cell phones Good quality sould with HD speaker and enhanced BASS effect. Unique around-the-neck design that's lightweight and comfortable for all-day use