Sport Partner Ergonomic earbuds design, durable design, sweat proof to keep skip-free high-fidelity stereo music, perfect for the sports field, the gym or anywhere else where you are on the move Innovative One-to-two Function Let two devices be connected at the same time. Long Standby 1.5 Hours full Charging for the 65m battery can support a up to 5 hours long talking/Playing Time and 145 Hours Standby Time High Quality Uses a CSR BlueCore chip (CSR8635) and aptX audio coding to create perfect lossless sound quality that's guaranteed to give you a wonderful listening experience. Universal Capability The earphones are equipped with an intelligent energy saving mode. They support the following functions: music playback, pause, skip tracks, last number redial, caller ID and headset operation volume controls. They also compatible with in-car navigation systems. *How to Pairing: For the first time use: In power off mode, press and hold on the "main control button" for 5 seconds. And the light will change from Red light flashing slowly to Blue and Red light flashing alternately quickly. When you hear the sound of "pairing", and see the device name of "ANEAR" on your phone please click to connect it. For next time use: Just press the "main control button" for 3 seconds to power on the bluetooth phones, and it will connect your phone or other device automatic.