Optical mouse 1.Interface:combo (USB + PS/2) 2.Wire Length:150cm 3.Body material:ABS 4.Above 800dpi resolution Optical mouseNumber:BW02130531.Interface: combo (USB + PS/2).2.Wire length:150cm. 3.Compatible with Windows 95/ 98/2000/ XP/NT/ Windows Vista/Windows 7.4.Combo (USB + PS/2) with scroll wheel for convenient to use on line.5.Typical mouse movement test value:above 800dpi resolution. 6. ...