Used by his wife, who now lives with her parents in a private house (the walls are not made of reinforced concrete). So, if she puts the phone on charge in the bedroom, then after 1-2 walls half a brick thick, the bracelet loses contact with the phone, although the direct distance there is about 4-5 meters. Before that, there was an Honor band 2 bracelet, there was no such problem with it.
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