Specification: 

1) Cute optical mouse. Rubber oil paiting, it's very confortable to use it.We can provide any colors you like. If add flash light inside, the mous is more wonderful!

2)Synthetic shape for your right or left hand with the optical technology, the motion can be detected on most surfaces, including wood, plastic, paint, etc.

3)3buttons  button life: above 3,000,000

4)Resolution: 800dpi

5)Interface: USB+PS/2 PS/2

6)Driver: Compatible with win95/98/2000/NT/ME/XP/VISTA

7) Unit size:126*60*35mm

Packing information: 

MEAS: 39*22.5*27.5CM
G.W./N.W.: 7.4/6.4KGS  QTY: 40PCS/CTN