1. They are simply impossible to wear normally. Any turn or tilt of the head - the earpiece either turns out of the ear, or vice versa, pushes it inward. Feelings at the same time - as if you are picking with a cotton swab in your ear, not pleasant. Seriously. Just don't move your head, then these are the headphones for you.
2. There is no noise reduction here. I tried turning ANC on, turning ANC off, didn't notice any difference at all. Just 0.
3. No grate (grill). All dust, crumbs, earwax - everything will eventually be pushed inside.
4. These silicone horns are useless. They are supposed to somehow help keep the headphones in the ear, but they do nothing. You can take them off, you can put them back on, it doesn't affect anything.
5. I put the phone in the hip pocket of my pants - the sound on the street starts to quack. It has to be worn in a jacket, on the chest. Houses can work and for 5 meters. Probably, on the street, the Internet in the smartphone switches from Wi-Fi to 4G, and the cellular transmitter, being much more powerful, simply interrupts the Bluetooth signal at a distance of 1 meter.
. I changed the small "horns" to large ones - now they began to stay in the ears better. Dropped 1 star. But in general, the impressions from the purchase are still negative.