KeyLab Essential Unit USB-A to USB-C cable Registration card Dimensions for 49 keys Size : 31.1 x 9.45 x 2.76 inches (790 x 240 x 70mm) Weight : 6.1 lbs. (2.76 Kg) Dimensions for 61 keys Size : 35 x 9.45 x 2.76 inches (890 x 240 x 70mm) ...