Features:
100% brand new and high quality
Optical technology works on most surfaces.
Ergonomically designed， long-term use without fatigue.
Easy to use， Intelligent connectivity， no need to code， plug & play.

Specifications:
Tracking systems: Optical.
Interface Type: USB
Compatible software: For IBM PC/AT， For Power Macintosh 
Compatible system: For WIN95/98 /ME /2000， NT， XP 
Working Voltage: 5V(Range 4.75~5.25V)
Working Current: 100mA max. 
Tracking Resolution: 1000DPI 

Package Includes:
1 x USB optical mouse