3D optical mouse USB,PS2,U+P Connector 800 dpi resolution Compatible with Windows 98/ME/NET/2000/XP working on any surface except glass diffrent colors are availible item size:120*63*35mm white paper box packing:130*95*40mm 100pcs/ctn NW:13KG, GW:14KG Meas:51.5*47*28.5cm