The innovative PRO – World & USB offers a two-in-one solution: Travelers from all over the world can connect all their 2- and 3-pin devices, including laptops and hairdryers, in over 220 countries in the safest way possible. In addition, the attachable and individually usable top offers an integrated, high-performance USB port. This means you can charge a USB device while using the adapter with a power plug at the same time.