To change the camera/mic click the three white vertical dots in the upper right of the picture.
When starting or joining a Google Meet you will be redirected to the audio & video equipment setup page. If you are using a Desktop computer, then you will likely need to plug in some type of camera and microphone to participate in the video conference (the conference can be joined with audio only using a mic/microphone if no camera is available). Most modern Laptops and mobile devices have cameras and mics built into them. [ people in the room + up to 50 people online). This means up to 50 people can be in the video conference. Faculty, Staff, and Students have access to G Suite for Education. Google Hangouts Meet is a great way to host a video conference with anybody around the world.