1.The plug for Europe/America/Australia/UK can change each other
2.Input: 100 to 240V AC
3.Frequency: 50 or 60Hz
4.If use two usb port at the same time, the current of both USB port is 500MA
5.Applicable to: iPod, iPhone 3G NDS, PSP, GPS, PDA, mobile phone, MP3/MP4 and more