Others Can't Hear Me When Using with app calls like Skype/Zoom etc. Why?

Important Tip: Please make sure that you closed all other similar apps that might be using your microphone, like Face Time and then reboot your computer. If the Micphone still doesn't work, please do troubleshooting as following:

Step 1: Make sure your microphone is not muted

Step 2: Test with a phone call

If the Microphone does not work well, please start with a diagnostic test with your cellphone first. If it works well with your cellphone, but not with computer, it might be a driver or settings issue. Please continue troubleshooting:

Step 3: Check your computer sound settings.
Visit your Sound Settings tab and make sure the Avantree headset is chosen as the input and output device:

Step 4: Check the meeting Software Sound / Audio Settings.
If you're using a meeting software such as Skype or Zoom, please also check the Audio & Video Settings within the software and make sure the Microphone input device and the Speaker out device are chosen as the Avantree headset: