Koowheel Bluetooth Headphone Wireless Sports Stereo Earbuds In Ear With Mic for iPhone 6s Plus , Galaxy S6 Edge , And other Bluetooth Devices NOTHING TO HOLD YOU BACK - Sport ? Yes. The wireless headphones bluetooth for Cycling, Running, Climbing without annoying cables, be happy. NOISE CANCELATION - CVC 6.0 Digital noise reduction technology, intelligently filter ambient noise, enable clearer sound during calls and while listening to music LONG BATTERY ENDURANCE - 175 hours for Stand-by, 5 hours for calculating conversation. Provide you less time charging and more time for running. WIDE COMPATIBILITY - This bluetooth headphone work with iPhone,iPad,android smartphone, tablets and other popular Bluetooth devices. 12 MONTHS WARRANTY - We are very confident in the reliability and durability of all our products here, that we offer a full 12 month warranty and provide customer service.