If you travelling anywhere in the world and need to charge a usb powered device then make sure you pack the worldtrip the unique design and construction make this the essential usb charger and travel adaptor for anyone on the move it features two usb ports which allow charging of 2 usb devices simultaneously plug your ipod iphone and mobile phone in together to make sure you do not lose power on either the worldtrip also incorporates a travel adaptor that allows you to plug in to the power sock