Comfort Type Keyboard Employs a unique “Comfort Type” structure that helps encourage proper wrist position while maintaining standard key locations. Compared to "split style" keyboards, you will save desk space with this model. Its "Comfort Type" key position will help you to maintain a proper and relaxed wrist position. Sleek, stylish design with 104 keys. Wired/Wireless: Wired; Maximum Wireless Range: N/A; Connector/Port/Interface: USB; For Device Type: USB Computer; PS/2.