Microban antimicrobial protection keeps product cleanernConforms to natural arm and hand positions for added comfortn16-character buffer for fast typistsn7 additional hot keys for multimedia control and one touch Internet access (internet must be connected)nUSB connectivity, no software required for Windows Vista and Windows 7, For Windows 98SE, 2000 and ME, download function software from Fellowes.comnFellowes Microban Split Design Keyboard features Microban antimicrobial protection to keep product cleaner. Conforms to natural arm and hand positions for added comfort. 16-character buffer for fast typists. 7 additional hot keys offer multimedia control and one touch Internet access (internet must be connected). USB connectivity. For Windows 98SE, 2000, and ME, download function software from Fellowes.com to enable Multimedia keys. No software required for use with Windows Vista and Windows 7.