Specifications: Compatible With: Ipad, Ipad2, Iphone, 3GS, 3G, Ipod, 4G, PSP, MP3, MP4 Voltage: 5V  Electric Current: 2100mA Power Source: 12-24V Color: Black Features: This Iphone Car Power Adapter supplies your cell phone with power allowing you to stay connected even when your battery is low This Iphone Car Power Adapter offers a convenient connection for mobile devices Simply plug the IPod Car Power Adapter into your vehicle power socket and connect it to your phone Enjoy unlimited talk and standby time, while your phone is charging Compact and lightweight -fits in your cigarette lighter socket This USB Car Power Adapter will protect your battery from over charging and preserve your battery's life span This is an OEM product