Amazon Lightning Deal-Limited Time and Quantity. Just 2 1/2 hours left for this deal
Kensington Expert Mouse Optical USB Trackball for PC or Mac
List Price: $127.95
Amazon's Price: $81.44 (36% off)
Gold Box Discount: - $31.45
Gold Box Price: $49.99 (60% off)
Add to cart for Gold Box Price to be reflected
Amazon.com: Kensington Expert Mouse Optical USB Trackball for PC or Mac 64325: Electronics
Technical Details
* Award-winning Scroll Ring around the trackball makes scrolling quick and easy.
* A user says - One of the most eloquent designs of any input device on the market.
* Largest ball of any of the mainstream, consumer devices
* Great momentum and virtually frictionless rotation
* Detachable wrist rest cradles your hand in comfort, Windows or Mac compatible
Amazon Lightning Deal Kensington Expert Mouse Optical USB Trackball $50 FSSS 
