Please Note :- This device is not going to modification the voltage simplest the pin connection.
UK 2 Pin To 3 Pin 1A Fuse Adaptor Plug For Shaver / Toothbrush
Means that you can price an electrical shaver or toothbrush from a regular 3 pin UK socket
May even work for another device that has a 2 pin shaver / Eu plug
This plug adapter comes with a 1 amp fuse fitted