Muse Luxe esphome loud buzzing sound

Hello, I am getting exactly the same issue as soon as the battery is getting low.

@Raspiaudio: Can you help me/us somehow?

Since this issue doesn’t look solvable, I am tending to send the device back.
If I don’t find a solution within the next week, the device will go back.

Many thanks to all contributions !!

BTW: Within a few days only we already woke up three times. First we did not understand what’s causing the issue ?!?