Perhaps Xiaomi phones will have some kind of noise reduction, but on my phone (Huawei Mate 20) there is no noise reduction. As a result, we have mediocre headphones at a decent price. Different pros: 1. All three track switching buttons on the remote control work and the light comes on if you turn on the "noise reduction mode". 2. Outwardly, they look pretty decent. Well packed. 3. Attached "rag" cover. Different cons: 1. At least there is no noise reduction. Noise is reduced exactly as much as any other tight "gags" reduce it. But "turning on" or "off" the noise reduction mode does not give any effect. Checked diligently on street noise and in transport. 2. The wires themselves are made in such a way that they get tangled all the time. 3. The sound is very average, extraneous squeaks are noticed on some of the music tracks (opera arias). 4. They sit very uncomfortable. I suffered for about an hour with the enumeration of the attached pads and nozzles, but I could only achieve a "C grade" result. At the same time, "plugs" from other manufacturers, as a rule, fit without problems.
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