How does the client test the device?

Click on the device detection in the settings in the upper right corner to test the speakers, camera, and microphone.

(1) Speakers

Click to test the speakers. If you can hear sound, it means the speakers are working properly. If you can't hear sound, you can switch the speaker device and test again.

(2) Camera

After selecting the camera device, if you can see the video image, it means the camera is working properly.

(3) Microphone

After selecting the microphone device and speaking, if you can see the volume fluctuate, it means the microphone is working properly.