Phone Call Supported : Built-in Microphones Allow you to Take Calls Hands Free, and Active Noise Cancellation Minimizes Background Noise. Music Control Supported : Play/pause,answer/ off, noise cancelling, microphone, control music video playback by pressing the center button, answer and end calls. Upgrade Compatibility : Compatible with ip 7,7 Plus,ip 8,8 plus,ip X High-end Technology and Ergonomic design : Built with high-performance speakers for extended frequency range,lower distortion, high performance and noise isolating ear tips eliminate ambient noise.Ergonomic design makes it more comfortable,relevant and cool to put on your ear. How to use : It is a wired Bluetooth function earbuds, please open the Bluetooth on your phone to connect first when you using it, and the 8 pin connector is only for charging. When next time you are using again, if your phone\'s Bluetooth are open,it will connect automatically when you plug in the cable in 2-8 seconds.