... mouse,promotion giftName: 3D optical mouseResolution: 800DPI Key life over 5,000,000 timesInterface: USB,PS/2,U+PRating: 5V~45mACompatible ... /98/2000/SE/NT/XP/VistaColor:silver,Black,Red,CustomizePacking:Gift Box,Blister, Tin Box,White Box,CustomizePrecision optical sensor Wheel ...