Adapter and Splitter Calling and Remote Control:supports answer phone call ,remote control and microphone from Lightning audio headphones,just enjoy fun and conveience from this adapter.. Audio and Charge : Dual functionality to listen to Lightning audio and charge at the same time. WIDE COMPATIBILITY : Compatible with Apple iPhone X /8 8plus/7 7plus, support all the iOS system, enjoy the music and video with one lightning headphone. Excellent Sound Performance: Supports up to 48 KHz and 24-bit audio output,keep apple lightning earphones sound quality with no compromise. Plug & Play: Just insert your charger or earphones into the jack and then it plays, no App needed, no additional software needed.