♪ Superior performance ►Charging + Audio + line control，It allows your device to listen to music, watch videos and play games with 3.5mm headphones, adjust the volume of your phone, play and pause songs, which is also great for running，easy to carry. | ♪ Perfect sound quality ► Copper wire core offers Nondestructive digital sound quality and ensure the stability of the transmission. You just need to plug and enjoy much clear and fidelity sound quality for better and comfortable experience. | ♪ Easy to use ► No additional software required. Just plug the adapter into the device and let your phone device recognize the adapter 3-5s before playing music. Good sound quality, small size, suitable for fitness,short-term travel, etc. | ♪ Compatibility ► 2-in-1 Audio Cable 3.5mm headphone jack Suitable for iPhone 11/7 / 7P 8 / 8P X XS XR XSMax, compatible with all iOS. It contains a decoder chip so you don't have to worry about system upgrades. It is compatible with your phone's original protection cable and headphones. | ♪ Sincere Service ►We provide a 12-Month Worry-free warranty. If you have any issues, we will do our best to help you in less than 12 hours. Look forward to your visit！