I want to know the system requirements for mobile devices for Zoom App

The requirements as of February 7, 2020 are as follows.
-IOS: version 7 or higher
-iPad OS: version 13 or higher
-Android: version 4.x or higher
Please refer to the Zoom homepage for the latest information as information is updated.




I want to know peripheral devices that have been verified to work
What browsers support Zoom?
Can I change the image displayed when the video is turned off?
I want to know how to save chat logs during a meeting
Can I see how many meeting participants are attending?
Can I mute the entrance / exit sound of the meeting?
Is it possible to set up only interested parties to attend the meeting?