1.)Carttoon shape for your right or left hand with the optical technology, the motion can be detected on most surfaces, including wood, plastic, paint, etc.
2)3buttons
3)Resolution: 800dpi
4)Interface: USB+PS/2 PS/2
5)Driver: Compatible with win95/98/2000/NT/ME/XP   Size: 9.5*8.4*3.5cm

Packing information:
Meas: 48*43.5*27.0 G.W./N.W.: 11.5/10.5KGS QYT: 100PCS/CTN