The price had gone back up (to what, I can't remember) but is back down to £15.99
Anker® CB100 Wireless Slim Keyboard and Optical Mouse Combo for Desktop, Win 8 / 7 / Vista / XP
Wireless usb slim keyboard and mouse set for windows OS (no information if tablets work). Useful if you prefer your keyboard central and without that bulky numeric pad. don't have to use the mouse if you have your own.