-Audio and Charge : Dual functionality to listen to music and charge at the same time. It delivers power in to your iPhone or iPad, and audio out. Supports answer phone call, remote control, just enjoy fun and convenience from this adapter. -Best Accessory for Game Lover: Extends just half an inch from the bottom of your phone, it is a perfect accessory for game lovers. Feel free to play games while charging. And the game's original sound effect allows you to enjoy a better gaming experience. -Small and Portable: Very convenient as its lightweight and small, giving you a lightning port on one side for charging and a lightning port on the other side for your headphones. Dual functionality to listen to lightning audio and charge at the same time.