BASN Up2black Up Bluetooth Wireless Earbud Sport Headsets with Microphone Volume Control for Phones, Black with Gray Bluetooth 4.1 Technology with A2DP & APTX, dynamic speakers deliver razor-sharp sound and audio is optimized for bass; compatible for iPhone, Android Smartphone, iPad, tablets and other Bluetooth-enabled devices Designed for sports use, ergonomic design ensures comfort while Jogger, running, Gym, Fitness In-line microphone for hands free calls, in-line volume control, play control is more convenient, volume button is also designed for remote phone camera control ABS chamfer ensures sturdiness, TPE cable resistance to sweat, cold; 2 X 85mah recharge battery for 4-6 hours continues playing time BASN 18 months worry-free warranty; package content: BASN VP Bluetooth Headset, charging cable, 10 x ear tips (small, medium and larger, double layer small large), 4 x ear hook (small and large), 1 x easy-carrying pouch, 1 x safe-carrying case, Manual