Designed in SWITZERLAND. SKROSS World Travel Adapter Pro+USB is the Safest and Most Compact 3-pole adapter and USB charger. The most innovative World Adapter Pro+USB offers two-in-one solution: Travellers from all over the world can safely connect all their 2- and 3-pole devices, including laptops and hairdryers, in more than 150 countries worldwide. Inaddition the detachable and inter-operable dual USB top provides a powerful USB charger connettion.