Zacro 2 in 1 Headphone and Charge Jack Adapter Compatible with Phone Xs MAX/XR/XS/X/8/8Plus/7/7Plus, Double Headphone Audio & Fast Charge & Call Converter Support iOS 10.3/11(Not for Android Phone) This cable supports up to 48 kHz and 24-bit audio output, keep the sound quality as original . Dual Jack, support any charge device that runs IOS 10 or later, compatible with the New IOS 10.3 or IOS 11 version. Charge protection design: It has 2 ports, one port is for charging, another is an audio port. Convenience: Connect the charger and headphone jack port, you can listening to the music and charging at the same time. ( Do Not support making calls.) Attention: In order to work properly, pls connect charging cable and ear buds to adapter at first; then connect the cable with your cellphone.