optical, wired, USB, black
The HP USB Scroll Mouse is a two-button mouse that offers great wheel mouse performance in a simple, elegant design. Use the wheel for fast and easy scrolling in documents or on the Web, or as a third button. The HP USB Scroll Mouse's comfortable, contoured shape fits either right or left hand.
HP DD441B, Optical, USB Type-A, Black
HP DD441B. Movement detection technology: Optical, Device interface: USB Type-A, Buttons quantity: 2, Scroll type: Wheel. Power source: Cable. Product color: Black