Fsmart Mate7 Bluetooth 4.0 Wireless Stereo Sweatproof Headphone with Micphone Enjoy Running Yoga Cycling and Outdoor Sports with Music Anytime (Black) Bluetooth V4.0 Breakthrough exclusive technology doubles Soundbeats playtime to a solid 8 hours, offering a full week of workouts. 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 talking, You can begin enjoying CD quality stereo sound instantly,Connect with 2 phones and use at the same time. Lightweight, comfortable, with built-in ic for hands-free calling.Pair in seconds - connects up to 10 meters away (in open spaces) Distributor by Global Discovery Inc.