I think that this is a fake, because we had Chinese headphones with the same general quality, like nothing, everything is audible, but something is constantly beeping, quietly in the background. I tried on different phones. And the most interesting thing is that they just bought jbl Junior for children, for my daughter (in another place), so they are even more comfortable for me and less pressure than these!) Not to mention the sound, there are no such interference-problems! Very strange, on the same phones (
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