The practical PRO ? World & USB offers a 2-in-1 solution: travelers from all over the world can connect all their 2- and 3-pin devices, including laptop and travel hairdryer, in over 205 destinations in the safest way, in addition, the clip-on and also individually usable top offers an integrated, powerful USB port, so you can charge a USB device while using the adapter with a power plug at the same time