Dual Ports Adapter Splitter, 2 in 1 Headphone Jack Aux Audio & Charger Adapter Cable Connector Compactible for Ip7/ 7 Plus/ 8/Plus/X (Support Calling + Sync + Music Control + Charge) Dual function splitter allows you to charge your iPhone while listening to the music with lightning headphone. Up to 48 kHz and 24-bit audio output, keep your original headphone sound quality, also supports fast charging up to 2.1A, more quickly charge for iPhone. Perfect Design for iPhone X, iPhone 8/ 8 Plus.iPhone 7 / 7 Plus, any lightning device that runs iOS 10.3/11 or later.Support control music and phone communication function. Please firstly connect charging cable and ear buds to adapter ; Second connect the adapter with your iPhone. We provide 30 days money back guarantee. Any question or concerns please contact us , we will reply to you within 24 hours.