Those responding in both sound and touch.When I press the switch down to a point and then to hear a "click" and the response has been to touch (pressure approx. 50 cN).
A sector that is responding well to the sound. And the exposure when you press down on the spot, and then switch to hear the "click" and recognize the touch response. (Pressure about 50 cN).
A type with a response both in sound. And touch when press down to the point where switch work. To hear the sound. "Click" and know the touch response (pressure about 50 cN) .