Headphone Adapter Earphone Double Connector Audio Charger Splitter Aux Dual Adaptor 4 IN 1: Aux Headphone Jack Audio + Charging Adapter + Phone Call +Wire Control - It has 2 ports, one for charging and the other for audio. charging and listening to music at the same time. Please note: In order to ensure high quality sound, please use original headphones. COMPATIBILE: Suitable for 7/7Plus / 8/8Plus / X/10 / Xs Max / XS / XR, compatible with iOS 10.3 / 11 or higher. It contains a decoder chip so you don't have to worry about system upgrades. It is compatible with the phone's original protection line and headphones. PLUG AND PLAY: No extra software, you just plug in and enjoy pure high fidelity sound quality. Allows you to use your existing headphones and any of your models. This product is one of the best choices for friends! QUALITY: 100% copper core provides you with high-speed and stable signal transmission, supports 48 KHz and 24-bit audio output, maintains the original headphone sound quality, enjoys immersive games and music, ensures efficient and stable data transmission. Perfect match for all headphones, high fidelity music, bring you a new experience. AFTER-SALES: We will provide 12 months of product quality assurance and permanent dedication. If you have any questions, please feel free to contact us.