Headphone Jack Adapter for iPhone Earphone Splitter Cable Aux Audio Car Charger Adaptor to Music Headphone Compatible with iPhone 7/Plus X Xs Dongle 2 in 1 Converter Support for iOS 11 or Higher Simultaneous listening and charging: It supports both charging and audio output, allowing 3.5mm headphones/headphones to be connected to the iPhone. Also supports iOS 11.3 or higher. Advanced sound quality: 3.5mm audio jack output interface, professional design, support up to 48 KHz, 26-bit audio output, can provide you with perfect sound quality. High quality: High quality materials with high quality surface treatment, perfectly matched with 3.5 headphones, high fidelity music, bringing you a new experience. Plug and Play: With no extra software, you just plug in and enjoy the fidelity sound. Allows you to use existing 3.5mm headphones and the new iPhone 7 and iPhone 7 Plus. Warranty and support: 7 * 24 online support, worry-free 100% money back guarantee, 14 months replacement warranty and lifetime technical support. Please feel free to contact our customer service if you have any questions.