What is the world's smallest mouse?

If you are constantly on your computer all the time and your hands and wrist get tired from working the mouse all day long then maybe this smallest finger worn mouse is just your ticket to freedom. If you have a geek in the house, this would be one of the best presents you could give.

The EEM-GTMS-300BK is an optical 800dpi module that fits on just one of your fingers. He comes complete with two buttons, a scroll wheel, USB connectivity, 400dpi/800dpi optical resolution, and a fold up design for maximum portability.

The small mouse only measure 2.3 x 2.7 centimeters.