Overview The Natural Ergonomic Keyboard 4000 is our newest addition to the #1 best selling line of ergonomic keyboards. It makes day-to-day tasks easier with a more natural wrist alignment. The Comfort Optical Mouse 3000, allows you to scroll through documents and Web pages quickly and easily, and the Magnifier enlarges details for easier editing. System Requirements Computer/Operating System One of the following:   Windows XP   Windows XP Media Center Edition   Windows 2000 Connectivity   For Keyboard: An available USB port   For Mouse: USB port or USB port with PS/2 port Other   CD-ROM drive   Microsoft Internet Explorer version 5.0 or later to view Help files

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