1) Precise 800DPI high-resolution 
2) Conforms to contour of hand
3) PS/2, USB, PS/2 and USB combo available
4) Compatible with Windows NT, 95, 98, 2000, ME, XP
5) Designed specially for kids or notebook users
6) Sensor detects motion on any surface
7) Compact size ideal for notebook users
8) PS2, USB, or USB/PS2 combo interface