Sushi Mouse

From the website:

This unique wireless mouse is plug & play, compatible with all computers, and will connect instantly.

You'll be the envy of all your cubicle-mates when you set this out on your desk.

It's battery-operated so there are no pesky cables to wrestle with when you bring your laptop to your local sushi joint for a working lunch. 

Features and Details:

• To operate, insert USB dongle (located in battery compartment) into a USB port on your computer

• Requires 2 AAA batteries (not included)

• On/Off switch on base

• 4.3" x 2.6" x 1.2"

£19.99.