Quite powerful headphones, battery life is satisfactory, in calls I can hear and be heard very clearly! The only negative is that when you have the volume at maximum, the sound leaks and people around can hear it.

It is an EXCELLENT product for those who prefer this type of earphones that simply sit in the ear and do not go inside. I come from the oppo enco air 2, and these are even better. They have clear sound, impressive bass for the category (don't expect the bass of closed-back or over-ear headphones), they fit perfectly in the ears (again, I must say that this is subjective, some may find those with the ear tip fit better), and they connect instantly to the mobile phone (I have a oneplus 8 pro).
Overall, it is a highly recommended product for those who are looking for a hands-free device to comfortably make calls and occasionally listen to music.

For their money, especially if you buy them from abroad, they are worth it a thousand times. Music 10, speech 10 (it has excellent noise cancellation that works perfectly, it doesn't have speech cancellation from others around, does it?;-) I wear it with a helmet and I can hear clearly with the window open, when I close it, I can't hear well, I don't know why) I use them for running and they haven't broken. I had bought the freebuds 4 Hw for the same amount of money, okay the speech was on another level compared to these (not that they don't hear me or I have a problem now) but the frbs4, within a year I had sent them for replacement 4 times. Guys, get the oppo ones with your eyes closed, especially from China

They have a nice design and connected easily as soon as I opened the case. I haven't used them much, as I just bought them recently, so I don't have an opinion on the sound quality or noise canceling capabilities, nor on the battery life. However, I will come back soon to comment on those.
Finally, they fit relatively well in the ears, but I don't feel very secure wearing them for workouts. They haven't fallen out yet, but they feel a bit loose.

I should mention that I find it tragic and unacceptable that at such a price, a charging cable is not included, which costs the company not even 0.10€.

Edit: I will return immediately..
Non-existent noise canceling.. Unfortunately, the person I'm talking to can hear me and even hear the thoughts of passersby. However, they have very good sound quality for music.
Also, the controls need to be set through an application, for example, how to answer a call, how to skip to the next track, etc. However, they don't completely obey the controls as I set them..
Finally, regarding how they stay in the ear, because I mentioned earlier that I feel like they will fall out, they don't actually fall out during workouts but they give that sensation, so I occasionally have to adjust them to secure them better.

In short, there are better headphones on the market, and at better prices.