The Microsoft Natural Keyboard Elite is the second in a series of ergonomically designed keyboards from Microsoft.??Its split, gently sloped design allows you to place your hands, wrists and forearms in a natural position for greater comfort while typing. With its improved space-saving design, the new keyboard takes up less room on your desktop and fits easily into keyboard trays. The intelligent, ergonomic design of the Microsoft Natural Keyboard Elite allows you to type in a more natural relaxed position. The Natural Keyboard Elite is both PS/2 and USB compatible. The USB adapter (included) allows you to use your Natural Keyboard Elite with the latest PC technology.??Designed for your comfort!