Somewhere after 4 months of active use after the next turn on, the volume of both headphones disappeared by 50% approximately. I reset the settings, tried to ate (the last firmware was simple) connected to other gadgets - to no avail, now I will try to return them, it was very sad, I didn’t want to part with them, before the breakdown the price / quality is at the highest level I changed the review to five, because I didn’t part with them, they refused to accept them at the service center because the plastic nets were quite a bit dirty and the problem was this and they offered to give it to paid service, but I asked how I could solve the problem myself Life hack - a drop of peroxide on each earpiece, let them stand for five minutes and clean them with compressed air from dirt that cannot be erased in any way (as it seemed at first) the problem was solved, thanks to the guys from the service center
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