idea: A mid-sized mouse for full comfort.

Comfort and reliability are critical in any office environment. And the Kensington Pro Fit USB/PS2 Wired Mid-Size Mouse delivers both. The mid-sized right-handed design feels great in the hand while the wired plug-and-play connectivity delivers high reliability and zero setup.
Features
Mid-size, right-handed design for lasting comfort
Dedicated forward and back buttons
Designed to withstand drops and spills
USB/PS2 connection delivers instant plug and play use
Specifications
Plug and play
No software required
Compatible with Windows 7, Windows Vista, Windows XP
Dimensions
4.25"L X1.5"H X2.75"W