ERGO 3- Button Serial/PS/2 & USB Trackball

DETACHABLE WRIST REST.

Right or Left Handed Trackball

The Space-Saving: Alternative to a mouse! Ergonomically shaped.
 Combo Trackball with Detachable wrist rest & Scroll lock Button.

Get rid of your old mouse and give this one a chance, you will never go back.

Up to 6,400dpi Extreme Dynamic Resolution.

Great for left handed and right handed users.

3 Rugged Tactile Click   Micro-Switch Keys.

Programmable 3rd button, Software included

Serial , PS/2 and USB Compatible

Precise Movement with Opti-Mechanical Technology