Optical mouse
Features:
1)Size: 125*73*43
2)Resolution: 800dpi (3000 frames/second)
3)Port: PS/2, USB available
4)Features: Deluxe ergonomics design to comfortable hand touch.
5)Fit for your left hand and right hand
6)Zoom in and zoom out funtion
7)Various color available
8)Working on any surface except glass
9)Button life: Over 1. 000. 000 times
10)System Requirement: IBM / PC windows 9X / 2000 / ME / XP / NT 4. 0