Case Star Universal White USB Mini Car Charger Adapter+ White 6 Ft Audio and Sync Cable.Apple Dock Connector to 3.5mm Audio AUX (Auxiliary) Connector and USB Charge/Sync Connector for iPod iPhone 3G 3GS 4G 4S + Case Star Cellphone Bag
This Apple compatible cable with dock connector, USB A type connector, and a 3.5mm connector will allow you to both sync and charge your device while also providing audio output through the 3.5mm connector.
