The innovative PRO-World & USB offers a two-in-one solution: travelers from all over the world to all their 2- and 3-pin devices, including laptops and hair dryer, in over 220 countries on the safest way. In addition, the plug-top can also be used separately, serves as an integrated, high-performance USB port. Thus, you can connect a USB device to download, while at the same time the adapter with a mains plug.