The USB Keyboard with UltraNav brings the legendary look and feel of ThinkPad keyboards to desktop systems and to ThinkPad docking solutions. For the ultimate in control flexibility, the UltraNav touch pad and the latest TrackPoint device are both available. Two built-in USB ports allow convenient expansion. In addition, allows access - while the ThinkPad notebook is closed - to key ThinkPad features requiring the function (Fn) key, such as speaker volume, system sleep and suspend.