Adesso 3-Button Desktop Optical Scroll USB Mouse with 1000 DPI Resolution (HC-3003US). No frills, no lace, no bells, no whistles, just a good, classic Adesso 3-Button Black Optical Mouse, just like the one you're used to. This Optical mouse features 3 Buttons and has a 1000 DPI resolution. Navigate quickly and easily with the convenient metal scroll wheel. 5 Feet of USB Cable attached.