Planning an international business trip or vacation now you can charge two mobile devices at once using a single usb wall charger without worrying about the type of power outlets that will be available for you while you39re away the usb2pacbk ships with interchangeable power plugs that let you plug in and charge your devices nearly anywhere you go around the world plus the two usb charging ports enable you to charge two devices simultaneously so you won39t have to wait to charge a second de