Special Features:

Part of an/tyq-12; no mousepad required; it works on many types of surfacces; no mechanical ball to get dusty or dirty; full size shape that fits comfortablyin either hand

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.