Amazon offers the Kensington Expert Mouse Optical USB Trackball for PC or Mac (64325) on sale for $39.99 with free shipping. Deal ends soon!

What makes this deal hot:
You save $55 off the price after instant savings! That's the lowest price we could find currently.

What this does & Why you need it:
The Kensington Expert Mouse Optical USB Trackball features Large ball for maximum precision, Diamond Eye Optical tracking for superior accuracy, Detachable wrist rest, and more.