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If the "How to Check..." instructions do not work for you, as they did not for me, try this.

1.  Open Settings
2.  Select Bluetooth
3.  Under My Devices, select the panel with your AirPods Max name
4.  On the right side of the panel, click the Information (Circle-I) button
5.  Scroll down to the About section to read your  (firmware) Version

if you wanted the pinnacle of performance in the personal computer space, you had to buy a very big, noisy tower that sat on the floor under your desk.

Tom Boger, Vice President of Mac & iPad Product Marketing, should investigate and learn about the current Mac Pro which is almost completely silent.