... for iphone 3G 3GS 4G 4S 1. usb2.0 for iphone usb cable 2 in 1 charger for iphone 3G 3GS 4G 4S Features: AC ... .Applied to the digital products with input voltage is 5.0V.Output voltage: 5.0V, 1A.Input: AC 110V-240V, 50-60Hz ... only.Fit for USB devices such as iPhone 4S,4,3GS, IPOD Touch 4,3,2, Nano 6, 5, 4, Classic, blackberry ...