In the Speaker view, you can adjust your Camera and Mic settings at any time using the "Settings" button near the middle of the Speaker's controls.
The Settings button will open the Speaker settings modal which allows you to adjust your name, title, camera source, or microphone.
Speaker settings modal
When you're finished, click Done to apply the new settings. Once the new settings are saved, they will immediately be applied, even if your camera is currently live.
Light theme: Light theme changes the color scheme of Speaker View. To use the Light theme, in the top-right, toggle "Light theme" to green.