HP USB Optical Scroll Mouse (QY777AT NEW)

HP QY777AT USB optical scroll mouse has the latest optical sensor technology and records movements on a variety of surfaces with great precision without the need for a mouse pad. Optical tracking - a tracking system that works with light has fewer moving parts and lasts longer than models with a mouse ball. Users work comfortably because the unique shape fits in both hands. A mouse wheel acts as the third button. Mouse has a scanning frequency of 800 dpi and works very accurately without a mouse pad, mouse ball or roller.