This is an adapter to convert the shape of a power plug. It converts the EU plug, common in Europe and China, to the US plug used in Japan and other countries. This adapter only changes the plug shape and does not convert voltage. This is a set of 5 brand new, unused adapters. Due to the nature of the product, please confirm compatibility and use at your own risk. We cannot offer returns, refunds, address defects, or provide compensation for accidents or damages resulting from use. Due to the above reasons, this item is sold as junk. Shipping will be via Yu-Packet Post Mini, an anonymous delivery service.