World Travel AdaptorSwiss Cougar Frankfurt World Travel Adaptor. This compact, high quality travel adaptor will enable you to use your two prong plug devices or appliances in over 200 countries worldwide. You can also use it to adapt foreign plugs to use a two prong plug, or to interchange various overseas plug types. It features two USB A ports and a fast charging Type C port, which you can use to charge your devices at home or when travelling abroad. 7. 8 ( l ) x 5. 4