RemixIconEx.Media.mic_2

You're seeing just the function mic_2, go back to RemixIconEx.Media module for more information.
Link to this function

mic_2(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.mic_2()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 3a3 3 0 0 0-3 3v6a3 3 0 0 0 6 0V6a3 3 0 0 0-3-3zm0-2a5 5 0 0 1 5 5v6a5 5 0 0 1-10 0V6a5 5 0 0 1 5-5zM2.192 13.962l1.962-.393a8.003 8.003 0 0 0 15.692 0l1.962.393C20.896 18.545 16.85 22 12 22s-8.896-3.455-9.808-8.038z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}