Two separate charging ports for a 12-watt pass-through charger that provides 24-bit, 48kHz lossless audio while you listen to music Playback Display More The Belkin Lightning Audio + Charge RockStar allows you to charge your iOS device while using Lightning Audio headphones. By splitting your Lightning connector in two, this accessory allows you to use one port for charging devices, such as the iPhone 7 and 7 Plus, and the other port for listening to music.