Here’s a very portable keyboard, the Rii Mini Wireless Keyboard.

The Rii Mini wireless keyboard is a small QWERTY keyboard that comes complete with 69 keys. It also has a built-in touchpad and a laser pointer. This unit also comes with a LED backlit keyboard so it is very ideal to use in even in the dark.

The Rii Mini wireless keyboard also features other keys that can be used to control Windows Media Centre HTPC.

The Rii Mini Wireless Keyboard also comes with a 2.4GHz wireless USB receiver, and its built-in rechargeable lithium-ion battery will give you up to 700 hours of standby time and it will work at a range of up to 30 meters.