Purchased on February 6, 2022 and used for about 20 hours with a 3.5mm connection. As expected, the sound quality is the best WF-1000XM4 is easier to use personally I will sell it because I do not use it much Since it has not been used at all, it is in a state close to new without scratches or...

And I said, cfg and wps themes do not work.

cfg and wps themes do not work.

A joke, isn't it?

While playing themes still not working properly...

Why doesn't go right some WPS themes? Unknown battery time, some themes doesn't go at all. Thanks. 

Why doesn't go right some WPS themes? Unknown battery time, some themes doesn't go at all. Thanks. 

Try SR. It's little different and even better.

Hahahahahah. Don't say. SR, metal genres (death, trash, black,...), sounds better to me than S. S are boring ;-).

Doesn't.

I've got a problem with rockbox themes. A lot of While Playing Screens is not working properly at least. CORRADO  - missing battery time; LSE3 - same; minimalist - totally different theme; botio - second base... and so on. Where's the problem?

Wow 

Opus#1 isn't adequate?

SR. S sounds thin.  What? Absolutly not! S sounds thin, less resolution, less airiness. SR are so good, that you will never return to old ER4.

Of course, there's a difference, because of a different material they are made from. Just a little, but if you aren't deaf, you can hear it ;-). Comparing old grey and new clear same size tips.