Blayz Bluetooth Sports Wireless Headphones With Microphone Noise Cancelling Sweatproof Earphones STATE OF ART ERGONOMIC DESIGN. Best workout sweatproof bluetooth headphones. Flexible and comfortable ergonomic designed ear hooks to naturally fit the contours of your ear for extended use, interchangeable earbuds to fit different ear sizes, stay put and don't come loose. Light weight with soft smooth silicone gel ear hooks and tips for extended comfort. Built for extreme activities like Running, Jogging, Hiking, Biking, Gym and Water Sport. SUPERB HD SOUND Advanced Bluetooth V4.1+CSR technology delivers astonishing acoustics. Experience realistic stereo digital quality sound on the go, enjoy natural sound and beats with the deep base you crave with the freedom that this wireless headphone offers with Up to 30ft Bluetooth range. Super quick pairing with all android, Apple and all Bluetooth enabled devices. POWERFUL BATTERY Up to 8 hours Music playing on a full battery charge. Super quick charge time of only 2 hours which lasts up to 240 hours of standby time. A 15 minute supercharge gives over 1 hour of playback time. NEVER MISS A CALL Easy to use technology with voice prompts of incoming calls and phone numbers. Superb microphone quality for clear conversations. Easy to use buttons for full audio control without reaching for your phone. BONUS ITEMS PLUS 1 YEAR WARRANTY Dual USB 4.8 Amp 24W Universal High Capacity Car Charger PLUS one meter long Micro USB cable included free