1. Innovative horizontal and vertical scroll modes, programming the context menus, as you like.
2. Big-button wheel can be used for double
clicks and universal scrolling.
3. Easy zoom-in and zoom-out, stimulates
and control keys for direct zooming/page
changing control, and various zoom factors and
lens available on-line.
4. Control software works with windows
95/98/NT/2000,
5. Various colors design available.
6. PS/2 or USB.

