OfsPower OPS-1010B Bluetooth Earbuds, XS Earphones with Mic, Stereo Headphones Noise Isolating Headset - Compatible with iphonee 7 8 10 XR XS Max Earbud, Support iOS System, White How to use: As this lightning earphone is a Bluetooth connectivity version. You need to open the Bluetooth and connect your lightning earphone first, then it will connect automatically next time in few seconds when Bluetooth is on. Multi-functional: Built in remote control button and MIC allowing calling function, music and volume control. Lightning connector is for charging automatically when you connect it. 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. Wide compatibility: Perfect fit for iPhone XS Max XS XR X 8Plus 8 7Plus 7, support all iOS systems. 1-Year Warranty from Of Power: We stand behind the quality of our products Please contact us if you need other information, we will respond in 24 hours.