- The RockStar delivers power in to your iPhone/iPad, and Audio out. It does not support syncing or any other USB data, or similar protocol like Serial or UART. It only supports Lightning Audio. All compatible Lightning Audio headphones are supported. Made for: iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, and any Lightning device that runs iOS 10 or later. Works with: MFi-certified USB to Lightning cables. Works with: MFi-certified Lightning Audio headphones.