1) Powerful optical sensor for the bestoperational activity ,suitable for notebook and travelers or gifts,cartoonmouse.
2) Precision optical sensor,notarcking ball to be cleaned
3) suitable for left or right handusers,
4) USB, USB/PS2 available
5) working on any surface except glass,
6) Compatible with Win95, 98, 2000,ME, XP, NT
7) cute,very popular for children andyoung people