Bought these through the recommendation from r/headphones. Sadly have been disappointed with sound quality and fit. For the price, there are many other great options for headphones in terms of quality. The fit was another issue as the earpiece body is rather large and sat shallow in the ear, allowing for it to frequently fall out of place.
AK770I'm currently using the RHA M750s wired IEMs. Good build quality and great sound quality, delivering a solid bass but doesn't compromise the highs. Fit is good on me, but might vary between people.