1)3D optical mouse  
2)USB, ps/2 and U+P available  
3)800 dpi  
4)keyswitch:1,000,000  
6)Compatible with Windows NT/ME/2000/XP  
7)Size: 97*56*34mm  

Packing details:                  1)white box packing                 2)one carton packed in 100pcs               3)carton size:41.5*23.3*34cm             4)G.W:9.6 KGS  N.W:8.6KGS