Bluetooth Headset Neckband Wireless Headphone Sport Running Exercise Earphone Stereo Bluetooth Headphone Hands-free Call Car Earbuds Compatible with Android Smartphones iPad PC Bluetooth Device White Built in microphone effectively avoid the out of microphone easy to break noise cancelling technology to obtain the high quality voice input. Easy operation and Outstanding Voice Quality,Freedom to exercise, move around and commute without wires to tangle or hold you back Wireless Bluetooh Easy access to music or phone calls wirelessly,Volume control, next / prev songs change, pause / play Support TF Card, superior sound quality, wireless design makes this Bluetooth stereo headphone easy to wear throughout the day. Universal bluetooth headset works for all Bluetooth mobile phones, you can enjoy hands-free talk with your friends.