Wireless Bluetooth Headphones Stereo Wireless Sports In-Ear HD Headset Earphones Earbuds Support Voice Prompt With Mic Handsfree Calling for iphone Ipad Samsung and other Smartphon(Black) X7 brings a high quality music life, frees your hands and lets you enjoy the wireless communication Works seamlessly with iPhone, Android Smartphones, tablets, iPod touch, and other Bluetooth-enabled music players, mp3, Bluetooth receivers and stereo devices High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly. Play/pause (also answer/hang up/reject/ Callback calls), Vol +/-, and next/previous track buttons, super easy operation, good workmanship. Built-in rechargable lithium polymer battery, up to 100 hours standy time.