1. Laser sensors positioning,Apply to a number of rough, smooth
2. Advanced laser technology provides 31x more accuracy than an optical mouse
3. Switchable laser sensor resolution from 800 to 1601 dpi
4. Resolution: 1600DP 9601frames / second.
5. Operating System: Windows95/98/2000/Me/XP/NT4.1
6. Press life: > 11 million times
6. Mobile speed up 41ips
9. It is the best choice for game players
10. Interface USB or PS/2 or Combo.