Connection breaks when the phone is just in your pocket. There is a crack in one of the headphones, then, as a rule, the connection is restored. But the impression of use spoils completely. With other headphones, I have never noticed this problem on my devices. At the same time, the first ones were defective, they also frayed, then the synchronization completely fell off and the headphones worked only separately. Standard synchronization recovery methods did not help. They replaced it under warranty, but I see cracking in these as well.
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