Split-key, 3D design conforms to your natural arm and hand positions, reducing tension in shoulders, arms and wrists. Another important feature includes the built-in Microban antimicrobial protection. Microban fights the uncontrolled growth of damaging microbes, such as bacteria, that can cause product deterioration. The continuous cleaning action helps your input devices remain cleaner for the lifetime of the product. Included 16-character buffer is designed for fast typists. Additional seven hot keys deliver multimedia control and one-touch access to the Internet. Vista certified keyboard offers USB connectivity and is compatible with Windows 98SE, 2000, ME and XP compatible.