The microphone is found at the bottom left-hand corner of the screen, tap on it once to unmute yourself. · The microphone will turn purple and display “Mic is on” underneath it. When you start to speak, an equalizer icon will appear in purple underneath your profile picture and move as you speak. 2. To mute yourself again, click on the microphone once. It will now appear white with a diagonal line through it with “Mic is off” underneath.