In 6 months, they broke down. Sometimes they connect, sometimes they don't connect to the PC. They don't even have a button to turn them on and off, everything is automatic and they detect when you wear them, but this function has failed and I'm sitting here doing alchemy to connect them, removing them from Windows and adding them again. Sound quality is good but not worth the money, 449 euros, what the hell got into me to spend that much? It's not worth it at all, just get a good headphone for a hundred bucks and you won't see a difference.

Very good sound, excellent noise cancelling.

The accompanying android app is mediocre but doesn't create a problem.

Personally, I would like it to have a microphone mute button for when I use it in online meetings (ms teams, zoom, etc.)

The build quality is quite good but not something impressive, lightweight and very convenient as well. On the other hand, their sound for the money they ask is okay, definitely above average, but not for very demanding music lovers. (The mids are a bit dull) For multimedia movies/games, they are definitely excellent

Well, here we go.
I got the white ones, excellent build quality.
Nice design, pleasant on the ears, comfortable leather ear cushions.
As for the sound, satisfying for the money.
They don't distort at high volume.
It has an EQ which is good, immediately adds a bit of bass, mids, and highs.
You have functions to adjust for different environments.
Such as walking, gym, etc.
Sound isolation is good and adjustable for different situations.
It also has a new feature, the bose.
Where it adjusts to stillness and movement.
You shake your head and the volume adjusts accordingly, simply awesome and smart.
Finally, I also have the quiet comfort 2 earbuds, the sound is more internal and probably great as well.
One more thing to note.
Don't lie down before sleep with the headphones on, you might break them.
I experienced this with the Sony wx_1000xm4, the speaker connections literally came off due to pressure on the pillow.
Respect to the bose.
And since I also had the Sony, I can give my opinion, the differences are minimal, the EQ on the bose is better.
I would probably choose bose with a slight difference.
I hope I helped.
That's it.
One more thing now that a few days have passed listening to music.
I would say that the Sony wh-1000xm4 have better to minimal noise reduction which is understandable for me since I had them