General Spec Color black Plug car lighter jack Function power to the music with a car charger adapter that allows using your iPod on the road while charging it from your vehicle's lighter jack Compatibility New iPod & iPhone 4G Features Compact design and retractable coil cord are made for easy storage. Built-in charging circuitry protects your car against back-flow current and your iPod from excessive electrical loads. The charger fits both standard and auxiliary car power outlets. One end includes Apple's proprietary 30-pin dock connector for use with new iPods. Black high-impact plastic. LED power indicator.