Stereo output muted while using microphone on wireless headphones

I have headphones that have 2 audio inputs, and 1 mic audio output: They're made by a Chinese company called Bludio. By default, the headphones are configured as in the above screen shots. However, when the microphone is used / picks up noise, the STEREO output is muted. I have no idea why, or whether it's a windows/software issue, or something the manufacturer configured in their firmware. I can combat this by setting the HANDS-FREE as both the communications and Default device (so the stereo is no longer used, and only the hands-free output has a tick). This works, however for some reason th

Question by Tobi on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.