Trackball Keypad

   
   The Trackball Keypad is a perfect solution for laptop users who want more
   comfort and function than the built in touchpad on their laptop. The
   Trackball Keypad provides an optical trackball mouse and numeric keyboard
   in one device.

   Features:

   Optical trackball for precision and control
   More comfort than a ordinary built in touchpad
   Numeric keypad  for Excel or Access.
   4 button mouse. bottom buttons are left and right click.
   Top buttons are back and forward for fast browsing
   Driver free. Plug and Play, USB
   800 cpi trackball.
   Windows compatible, including Vista