Special Features:

Wheel scrolling; usb and ps/2 interface; whitemicrosoft optical technology replaces the old-fashioned mechanical mouse ball and works on virtually any surface; convenient scroll wheel and comfortable design

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.