1) Symmetrical arc appearance
2) Compatible with Windows NT / 95 / 98 / 2000 / ME / XP
3) PS/2, USB, PS/2 and USB combo are all available
4) Sensor detects motion on all kinds of surface, including wood, plastic, fabric, etc.
5) No need to clean the mouse ball and more convenient use
6) The optical mouse eye will not function on the surface of glass and mirror
7) Different colors available
8) Easy to browse online
9) Hardware resolution: up to 800-1600DPI