1) liquid optical mouse            2) USB port with 800 dpi               3) Retractable cable                   4) any color can available            5) any floaters can be choose         6) Size:110*68*35.7mm                    7) keyswitch:1,000,000                     8) 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:15.8KGS   N.W:12.0KGS