The main down side to not having a headphone socket on the latest iphone's is that you Lightning to Dual Lightning Port Audio Splitter, allows you to connect Lightning headphones and a Lightning charging cable at the same time, meaning you can listen to music and let your phone charge simultaneously.
Listening and Charging Same Time: It supports
simultaneous charging and audio output, so users can enjoy the fun of listening
to music while charging.
Let You Enjoy Impressive Music Sound: High Fidelity Sound-Compatible for iphone product which lightning jack for Lightning audio earphone.