iHinge-LT is a compact adapter for charging and using Lightning headphones at the same time. - Connect this adapter to your iPhone or iPad and sync/charge your device while using your favorite wired headphones. - iHinge supports audio up to 48 kHz - your favorite headphones with a Lightning connector will sound without interference and quality loss. - the case is made of aluminum.- maximum charging power up to 12W.- The adapter works with all iPhone and iPad models with Lightning interface.