Lenovo Preferred Pro USB Keyboard - Icelandic The ThinkPad and ThinkCentre high-quality keyboard tradition continues with this general purpose USB keyboard. The Preferred Pro USB Keyboard is very similar to those that come as standard with ThinkCentre desktop systems. It is also compatible with USB enabled ThinkPad notebook systems and docks. Keyboards Color Business black Connector Cable Length 6 Feet Keyboard Connector Type USB Keyboard Type Preferred Pro Full size Number of Keys 105 Technology Name Rubber-Dome Key Windows Keys Yes