1. Support Audio Output, Headset Call and Headset Controller: you can use one lightning output to plug with your earphone to both listen to music and make phone call. The headset controller is supportive, too.
2. Support Charging Function: 2.1A fast charging speed, efficient and stable current transmission.
3.Support Synchronous Data: You can charge the phone and sync the data at the same time. Multi-task to operate at you ease. Absolutely a great buy in our modern life.
4. Attention: Only Support IOS10 or later. It doesn't support iOS 7,iOS8,iOS9. And It does not support audio split, dual charge. Attention: Connecting steps should be: Connect this cable with headset, then connect cable with the cellphone.