1) optical oil mouse                   2) USB port with 800 dpi              3) any color can available       4) any floaters can be choose      5) size:104*57.5*34mm                 6) keyswitch:1,000,000                7) compatible with windows NT/ME/2000/XP

Packing details:                       1)white box packing              2)one carton packed in 100pcs    3)carton size:46*26.4*46.5cm            4)G.W:15.5KGS   N.W:11.7KGS