ZEALOT H3 Bluetooth Headphones Ultra Light Sports Headset Ergonomic Ear Hook Design STATE-OF-ART ERGONOMIC DESIGN: Soft and comfortable material with special ear hang design perfectly fits your ears. Its practical enough to meet your music demand when working out, as well as extra comfort with no pressure at all. BLUETOOTH 4.1 TECHNOLOGY: Cool faster Bluetooth pairing and auto connection after 1st pairing with 32 feet transmission range present smart life experience. HIGH-FIDELITY MUSIC STUDIO WITH CVC6.0 NOISE CANCELLATION: Strong bass surrounding & stereo music studio effect with noise isolation technology, soothes your mind whenever need, and stimulates your spirits when working out. High-fidelity and clear voice from Bluetooth phone calls are like face to face. UP TO 6 HOURS PLAY/PHONE CALL TIME WITH 1-2 HOURS FULL CHARGE: Super quick charge time with full charge light indication. The headphone battery status will be automatically displayed on the Smartphone screen. PAIR WITH ANY 2 DEVICES AT A TIME: Our Zealot Bluetooth headphones can pair with 2 different Bluetooth devices simultaneously, such as an iPhone, iPad, Android phone and other Bluetooth enabled devices. You can enjoy music from either phone with H3 sports earbuds, without having to reconfigure between use.