The USB King ergonomic keyboard is a large size alternative keyboard that plugs directly into a computer. Keys are slightly recessed, and provide both tactile and auditory feedback. This keyboard allows you to control both keyboard and mouse functions. All mouse directions, right and left click, double click, and drag functions are performed by pressing directly on keyboard keys while in Mouse Mode.  Actual Key Size Keyboard size: 21.5 x 11 x 2.25 in, 54 x 27.8x 6.3cm Key size: 1.25 x 1.25 in, 3.1 x 3.1 cm Weight: 5.5 lb, 2.5 kg Force to activate: 7 oz, 200 g
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