Charger Fit Sony

Charger Fit Sony
Where to buy a USB – Mains Charger?

I want to buy a charger for my MP3 player that plugs into the wall, but my MP3 player is a USB stick style, with the USB key (the bit the plugs into the computer) facing outwards like this;

Where can I buy a charger that fits this, either online or in a UK shop? Must be standard UK three pin plug please 🙂

Here it is
Good Luck!

Sony Ericsson Elm & Sony Ericsson Hazel