Charging is kept as long as stated, however, the charge level can “float” during use: half an hour after playing music, suddenly with 50% charge it can show more than half . miracles. I use for Xiaomi Android phone. Before that, there were inexpensive wired headphones of the same Xiaomi, Sinheiser, AKG and others. Pros below: 1) Good sound isolation, due to which the sound seems clear and pleasant. 2) Neatly made 3) Good package With its cons. 1) It does not work well as a headset, the interlocutors complain that it is hard to hear 2) I'm not a music lover, even it seemed to me that the bass is very weak. 3) Buttons . Two points: why not make the middle button a "grid" so that it stands out unmistakably tactilely? For some reason, increasing the volume of the sound does not always work. And every time the sound reaches the maximum for the buttons, the music is interrupted and there is a beep - I don't like it. Well, the white color is very easily soiled, which is expected.
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