Here's a trackball that fits comfortably into your right hand, with its buttons and scroll wheel at your fingertips and a smooth trackball right underneath your thumb. It's cordless, so you can put it just about anywhere on your desk within six feet of the receiver. And it uses optical technology, not wheels or rollers, to deliver smooth tracking with virtually no cleaning or maintenance.
Wheel allows fast and easy scrolling
Features digital radio technology
Patented optical technology
No line of sight necessary between mouse and receiver