Top-Longer Bluetooth Headphones Wireless Waterproof Sports Earphones with Built-in Mic Compatible with Apple and Android smart phones, tablets, PC and other Bluetooth enable devices. Bluetooth v4.0 specification compliant,LED indicator light, shows power ON/OFF, shows charging. High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly. Strong Wireless Signal: you can enjoy skip-free music in a 10-meter working distance, even if use your music devices left/right side, above/below waist. Exercise-proof & Stable and Comfortable when exercising, running, climbing, driving