HEWLETT PACKARD OPTICAL SCROLL MOUSE Retails @ $39.95 Our Price: $19.90 GET OPTICAL PRECISION AND PERFORMANCE! Get optical precision and performance with this Hewlett Packard Optical Mouse. This Optical Mouse is ideal for use in either hand, and its comfortable design glides smoothly across a variety of surfaces! This three-button mouse features optical movement detection technology, which eliminates the need to clean the inside of your mouse. It's designed for ambidextrous use, plus its scroll wheel makes scanning and scrolling easy while also acting as a third button. The Hewlett Packard Optical Mouse has a comfortable, contoured shape and uses a PS/2 mouse port connection. The Hewlett Packard optical mouse is plug-and-play compatible under Windows 95/98/2000/ME/XP or above. Model No: 8131 Weight: 1.1 Lbs.