I've always thought they would come out with subvocal microphones that I though you could use diving or whatever. (I don't know if they exist) https://en.wiki

I've always thought they would come out with subvocal microphones that I though you could use diving or whatever. (I don't know if they exist) https://en.wikipedia.org/wiki/Subvocal_recognition https://en.wikipedia.org/wiki/Subvocal_recognition