I-kool Sport-101 Bluetooth Headphones Bluetooth Headsets Compact wireless Sport Headphone for Running Compatible with iPhone, iPad, Samsung, Other Bluetooth Devices SWEAT PROOF - Say Goodbye to Water-Damage! Protected by Liquipel Nano Coating your Buds withstand sweaty workouts and will survive accidental dropping into water - Guaranteed! Ultra comfortable,Special patent design for running with extreme attention to ergonomics ensure the lightweight headphone suitably fit over the ear.Never get loose or falling off while running or even playing X-games .Minimum friction in the movement of the head,reducing the harmful effect to the dynamical hearing balance. compatible with most Bluetooth-enabled Smartphones, up to 6 hours of calling, 5 hours music playing time and 200 hours standby, let you enjoy your music through a variety of activities Advanced Bluetooth technology, 100% moisture and sweat-proof nano-coated gel material, and shockproof design and construction all combine to furnish CD quality and stereo level sound as you work out at the gym or outdoors, or while traveling. Works with Iphone 4, Iphone 5, Iphone 6, Ipad 1,2,3, Ipad Air, And all Andriod Systems as well