Kinesis Low-Force Keypad Features: Integrated 2-port USB 1.1 hub. Low-force and tactile mechanical key switches. Designed in collaboration with the world's premium switch manufacturer. PC version includes 4 additional highly used keys (ESC, Tab, Backspace & Keypad equals) for increased editing efficiency. Long lasting lasered key legends. Dimensions: Height: 1.25” Width: 3.75” Depth front-to-back: 6.0" Cable Length: 6 ft. Shipping Weight: 1 lb.