Sport Headphones, iTrendz [Genuine QY8] V4.1 Wireless Bluetooth Headset CVC 6.0 [Noise Cancelling Headphones] with Microphone for iPhone, Samsung ect (Blue) Upgraded Bluetooth V4.1 CSR Chip: Longer Lasting Battery Power, Stable Bluetooth Connection, Multi-Point Pairing Ugpgraded Sports Outdoor Headphone Earphone Design: Fits comfortably inside ear canal and will not slip or fall out during outdoor activities for example jogging or running CVC 6.0 Echo and Noise Reduction: Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment Apt-X Technology delivers High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly. Sweat-proof, durable design, Onscreen Battery Meter, Up to 7 hours of Talk/Playing Time and 175 hours Standby Time