Adapter Phone Headset Jack and Charger, 2 in 1 Audio Adapter to 3.5mm Auxiliary Headphone Jack, Splitter Cable Auxiliary Audio car Charger, for iOS11 or Higher Compatible Phone 7 / Plus X (Rose Gold) Use premium digital audio conversion chip ,High-quality copper wire core provides you with high-speed and stable signal transmission. This 2 in 1 Lighting Adapter 3.5mm Female Aux Cable allows simultaneous charging and audio output, so you can listen to music and charge your phone at the same time. Support the New iOS 11 now, also perfectly support any lightning device that runs iOS 10 or later,including the iOS 10.3 system. Please noteThis product itself No calling function and music control,but can Control Music via earphone buttonNo extra software, you just need to plug and enjoy much clear and fidelity sound quality If you have any issues about the product quality, please contact us We will reply to you within 24 hours and solve your problem,We offer 30-day money back guarantee and 365 day warranty.