microsoft wheel mouse optical
microsoft has replaced the old-fashioned mouse ball with the wheel mouse optical featuring an intellieye optical sensor to provide smooth and precise motion . without a mouse ball there are no moving parts to clean or wear down . the intellieye optical sensor is sealed in to keep out the dirt and lint that can cause a traditional mouse to skip or jam . the wheel mouse optical comes with a scroll wheel for scrolling and zooming . move through documents by simply rolling the wheel forward or backward instead of clicking on a scroll bar . use the wheel to see either close-up or big-picture views without having to use menus or toolbars in compatible applications . the mouse also features an ambidextrous design for comfort . whether you are left-handed or right-handed have a large or small hand the design of the wheel mouse optical feels comfortable . the wheel mouse optical s intellieye optical sensor scans the desktop 6 000 times per second delivering smooth precise motion on virtually any surface even through dirt dust and fingerprints . the intellieye sensor performs best on surfaces with detail to track . it will not function on surfaces without visible detail e.g. glass or surfaces where it will see its reflection for example mirrors or glossy surfaces . the sensor may also have difficulty tracking on highly repetitive patterns for example some printed photographs from magazines or newspapers . microsoft offers a three-year warranty on the wheel mouse optical .