ER1201W Features Suitable for iPhone 4/ 3GS/ 3G， iPod Touch/ Classic/ Nano， mobile phones， MP3 players Charges two devices at the same time Equipped with built-in smart short-circuit protection Safe and convenient to use The USB port uses shock resistant components for improved stability General Specs Model WF-0098 Color White Type Car charger & cigarette lighter  Voltage 12-24 V Current  1000 MA Compatibility iPhone 4/ 3GS/ 3G， iPod Touch/ Classic/ Nano， mobile phones， MP3 players Ports 2 x 5V USB ports Dimension 10.5 x 6 x 4 cm