To record your voice or other audio with the screen recording, choose a microphone. To monitor that audio during recording, adjust the volume slider. If you get audio feedback, lower the volume or use headphones with a microphone. To show a black circle a

While Quick Time Player on macOS can record contents of the screen, it cannot record internal audio of your Mac during screen recording. The default options that you get is to either record no ...

Click the arrow next to the record button for recording options, like choosing to record audio from your computer’s external mic or to show your mouse clicks. Click the red record button.