It looks very much like a UK shaver socket with a ground pin.
I have never understood why the UK standards still include that strange shaver socket outlet. Surely the obsolete BS 2-pin plug with the short-fat pins should be dropped in favour of CEE 7/16 Europlugs at this stage. I can see absolutely no advantage to requiring toothbrush and shaver manufacturers to continue fitting the old British version. It is just an absolute pain when you travel abroad and it won't fit any European outlets without a cumbersome adaptor.
Also, I do not really understand why shaver sockets, even in domestic residences, still have a 110V outlet. Seems like a complete waste of time fitting one. I'd rather have 2 x 230V outlets so that I could charge two toothbrushes simultaniously.
How many people are going to be using a 110V shaver/toothbrush !? I can understand the logic in hotels, but not in homes.
