Warmhoming USB 3.0 Laptop Cooling Fan with Adjustable Cooling Pad for Notebook up to 15.6 Inch Bluetooth interface manually .(It will connect automatically the next time when you connect your earphone with your iPhone in few seconds If your Bluetooth is open ) TENNING TO MUSIC- They Are Professionally Designed For Music Listening Requirement In Sport, Especailly For North American Ears. It Delivers Premium Sound with Fine-Tuned Acoustics that Balance Strong Bass, Soaring Highs, and Clear Mids. With No Distortion and a Very Natural Feel. 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. Earpods Style Earbuds : Built in remote control button and MIC allowing calling function ,music and volume control. Lightning connector is for charging automatically when you connect it, dont worry about Bluetooth usage time Compatibility: use with iPhone 7 / 7 Plus / 8 / 8 plus / X. Support all the iOS systems. 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 lightning 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