The Comfort Type Slim Keyboard employs a unique, ''Comfort Type'' key structure that encourages a relaxed wrist position while maintaining the standard key locations. The result-increased comfort without relearning how to type. Features and Benefits ''Comfort Type'' key structure encourages, proper, relaxed wrist position Increased comfort without relearning how to type. Touch-typists will love this Keyboard! Light key forces for easy typing Slim keyboard size saves desk space when compared to other ''split style'' keyboards Kensington unmatched satisfaction guarantee - five-year warranty, toll-free technical support, 90-day no risk trial System Requirements: PC running Windows 98 or later, available PS/2port Dimensions: 18.25''L X 0.75''H X 6.25''W Warranty: Comfort Type Slim Keyboard is backed by the Kensington 5-Year Warranty and free technical support.