It have 2 lightning port, one you can use for charging and other you can use for lightning earphone. With the help of this adapter you can charge your phone and listen music or phone call at same time.
Compatible with iPhone 7 / 7plus / 8 / 8 Plus / X / XS / XS Max / XR that running IOS 10 or later.

Does not support the simultaneous insertion of two headphones, does not support the simultaneous loading of the insertion of two lines, does not support the simultaneous connection of two computers.