Split key design conforms to natural arm and hand positioning for added comfort. Seven additional hot keys for multimedia control and one-touch access to the Internet. Features built-in Microban? antimicrobial protection provides continuous cleaning action, inhibiting the growth of microbes, such as bacteria, that can cause stains and odors. A 16-character buffer for fast typists; plus user-preferred tactile feel. Conforms to your natural hand positions, reducing tension in the shoulders, arms and wrists. Wired/Wireless: Wired; Connector/Port/Interface: USB; Keyboard Design: Split; Ergonomic: Yes.