Special Features:

Integrated cord-wrap feature enables you to wind the cord neatly into the mouse for easy packing; no tangles, no unraveling, no unreliable moving parts; shock-resistant bodywork withstaands bumps on the road, while the smooth, rounded shape provides the perfect balance of comfort and mobility; plug and play; the all-terrain optical sensor provides smooth tracking and surface coverage in vertually any environment; the item named by the manufacturer is an logitech nx20 optical notebook mouse

Properties:

A pointing device, which when moved in any direction on a flat surface, generates a signal to move a cursor and/or tracking symbol on a display device. it may include buttons or wheels that allow the user to select operations and manipulate text and graphics. includes spherical, optical, wireless mouses and the like. excludes trackball, data entry; and joystick, data entry. see also controller, data entry, automatic data processing.