So any electric current will then cause the fibers to vibrate. The fibers could act as a microphone or a speaker, depending on whether the vibrations were being recorded or amplified.

The microphone button is on the keyboard, so you can speak to populate any field that accepts text.

This mic is built for the real studio, and I don't think you've seen this kind of personal attention to detail in microphone construction or design in a long, long time.