A unique, optical, cordless trackball that works within a 6 foot range - For PC or Macintosh via PS2 or USB port Long battery life with a battery indicator that warns you when the battery is low WebWheel provides scrolling and fast, easy Internet use Compatible with PC and Macintosh computers via an available PS2 or USB port
Features
Wheel allows fast and easy scrolling
Features digital radio technology
Patented optical technology
No line of sight necessary between mouse and receiver
5-year warranty
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