Logitech V220 Cordless Optical Mouse For Notebooks (Silver/Black or Purple)

Compact! Use with your notebook instead of the touchpad

Ergonomically designed with soft rubber side grips.
Side-to-side scrolling and zoom controls.
Convenient wireless technology reduces cable clutter. The mini wireless receiver snaps onto bottom of mouse for easy travel.
1000-dpi optical technology for precise control.
Extended battery life of up to 6 months.
Compatible with Windows XP/Vista and Mac OS X 10.3.9 and later.