Pionior Stereo Wireless Bluetooth 4.0 Sports Headphones with Noise Reduction Mic Function for iPhone, Samsung, Sony, and Most Bluetooth Smartphones, Perfect for Exercise (White) Retractable Earhook Design ,The Earhook Can Stretch To Fit Different Ears Remote Control ,Better and More Convenient to Use CSR8645 Best Bluetooth Solution 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 5 hours of Talk/Playing Time and 150 hours Standby Time Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Can connect to 2 phones at the same time, and you will not miss any important calls