After much thought, research, and reviews on YouTube, etc., I decided to purchase these headphones. They have that retro design that reminds me of my youth's walkman. Their sound is very good. However, that's about it. I can't find anything else positive.
1st: They appear to be poorly made, and you fear they will fall apart at the slightest movement. When I use them, I try to be focused, careful not to make any sudden movements and accidentally press or pull them, etc. It's extremely annoying and tiring.
2nd: I'm very afraid of this cable. If you accidentally pull it or get it tangled somewhere, "goodbye!"
3rd: Due to their design, they provide no sound isolation. None at all. You can hear even the birds chirping outside. While they offer great sound, you have to be in a completely quiet space to enjoy your music.
4th: They are too expensive for what they offer. Their real cost should be around €20-€25.

In short, look for something else in this price range.