I never use the touchpad and almost want to put some kind of sticker on it that retards the finger press to where I can't use it to stop this feature.

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I was using this in Teams chat and I had no idea what it was doing because it makes a beep when I start talking (even when I'm not using the mic on the device). It's a feature that I think someone thought was useful but if I start talking and am using ANC, then it's not because I want to talk with someone. It's useful if I'm talking to myself while listening to music but that's it.

But yeah, hold the two fingers on the cup and it will stop doing it for the moment. A very annoying feature.