General Spec Color white Plug & Interface 1*USB 2.0 port, 1*3.5mm jack, 1*dock connector Function support high speed data transfer, quick charging for iPhone/iPod and connect your iPod/iPhone to car audio or amplified speaker with 3.5mm aux input. Cable Length approx.1.2 meter Input Voltage DC 12-24V Output Voltage DC 5V/1.0A Compatibility compatible with iPhone 4G/3G/3GS/iPod Touch/iPod Nano suitable for any car audio or amplified speaker with 3.5mm jack Features Connect your iPod/iPhone to car audio or amplified speaker with 3.5mm aux input. Quick charging for iPhone/iPod with USB port. Support USB port 2.0. Update your iPhone/iPod at high speed with the latest music and data. Easy to plug and play.