Logitech G500s USB Optical Mouse for $20 with coupon code 225EUR2 .
Reviewers say it's a good laptop mouse because of its small size and light weight, but not the best choice for every day desktop use.
On a related note, beware of using wireless keyboards in a place where eavesdroppers can hack the signal.
Security experts say a hacker can hijack or listen for passwords typed on a wireless keyboard within 250 feet because many broadcast their keystrokes over non-encrypted signals.
Of the wireless keyboards on sale today, only
the MK320 specifically lists "encryption" as a feature.
In general, we do not recommend using wireless keyboards in an office or apartment complex unless the keyboard lists encryption as a feature.