Mark Furneaux | Review of the Vava Moov 11 Earphones @TheUbuntuGuy | Uploaded February 2017 | Updated October 2024, 30 minutes ago.
The review starts at 1:35. TL;DR: They sound like $15 headphones, but have much better build quality.
They seem to have been altering the price, so it might be different than mentioned in the video.

After filming this, I tried some popular $15 headphones and have to say that the audio is not different, but the build quality is.

I have a second channel:
youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqw