[mirotalksfu] - change icon

public/view/Room.html

@@ -137,7 +137,7 @@ access to use this app.
                     <p>Microphone:</p>
                     <select id="microphoneSelect" class="form-select text-light bg-dark"></select>
                     <br />
-                    <i class="fas fa-volume-up"></i>
+                    <i class="fas fa-headphones"></i>
                     <p>Speaker:</p>
                     <select id="speakerSelect" class="form-select text-light bg-dark"></select>
                     <br />