Bluetooth headset microphone bad quality

Philipp71 Hard to say what the problem is. Microsoft have a certification program where audio devices are certified for Teams. They check quality of microphones and bluetooth connection before a device can be certified. One requirement is to use a bluetooth dongle to connect the audio device since the built-in bluetooth in the computer can be of low quality.

Check out certified devices here:

https://products.office.com/en-us/microsoft-teams/across-devices/devices/category?devicetype=36