Belkin 3.5 mm Audio + Charge Rockstar The Belkin 3.5 mm Audio + Charge RockStar offers dual functionality for charging and listening to your iPhone or iPad. Whether you want to charge in the car, on the go, or at home, the adapter makes it possible to listen to 3.5 mm audio and power your iPhone, simultaneously. The 3.5 mm Audio + Charge RockStar works with most cases. Authentic