Non-Grounded Adaptor plug use in Continental Europe and around the world. This is the most common plug used around the world Use with non-grounded voltage converters, transformers and dual-voltage devices.
NOTE: Some countries utilize more than one type of plug outlet design. Be prepared to travel with multiple types of adaptor plugs depending on where you are traveling.
Adaptor plugs DO NOT convert electricity; they only adapt foreign plug outlets to use your normal plug while travleling.