The Das Keyboard 4 Ultimate is a mechanical keyboard with Cherry MX Brown switches and completely blank keycaps. It features an anodized aluminum top panel, resonance-free bottom enclosure, and an extra-long 6.5 ft cable. The keyboard has dedicated media controls, an oversized volume knob, and a footbar that raises the keyboard and functions as a ruler. It also has a 2-port USB 3.0 hub and NKRO over USB for faster typing. The keyboard has an instant sleep button to save energy and enhanced function keys.