               Produce sounds to check if the mic works.
              </div>
              <div class="ag-card-body">
                <div class="initial">
                  <div class="select ag-select">
                    <select class="is-clipped ag-rounded" id="audioDevice">

                    </select>
                  </div>
                  <div class="ag-audio-test">
                    <span>
                      <i class="ag-icon ag-icon-audio-24"></i>
                    </span>
          