General Spec Color white Input Voltage 110-220V AC American home charger,   Output home charger 5.0-5.5V DC, Max.1000mA; car charger: 12V-24V DC Plug home charger with American plug, car charger lighter jack Function charge you device conveniently Compatibility iPhone 3G/3GS Features Consist of American plug adapter, car charger and USB retractable cable for iPhone 3G/3GS. Compaitble with iPhone 3G/3GS, iPhone 4G, and other Apple devices. The charger is perfect for home, work and to take with you when travelling. Come with retractable USB cable which allows you to power and transfer data and music from computer.