Bring legendary ThinkPad notebook keyboard look and feel to desktop systems or to ThinkPad docking solutions. For the ultimate in pointing flexibility, this multi-pointing system combines a customized touch pad and the latest TrackPoint device. The two, built-in USB ports conveniently provides for additional expansion. Plus, it's the only external keyboard that allows you close the ThinkPad notebook LCD and still access key ThinkPad notebook features requiring the function (Fn) key, such as system sleep and suspend.