The headset case can be charged wirelessly for half an hour, which can support 4 hours of music playback, and it can be fully charged in about two hours.
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When the machine is fully charged, a single time can achieve 2.5 hours of continuous talk, and when the machine is fully charged, repeated charging can achieve a cumulative call duration of 1\/2 hour.
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Huawei freebuds4, for example, supports wireless charging, also supports reverse charging.
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Huawei freebuds4 adopts a semi-in-ear design, according to the development trend of previous generations of headphones, this new semi-in-ear TWS product FreeBuds4 will have more powerful noise reduction and battery life, and the appearance is more exquisite and fashionable.
New headphones usually last two or three hours. If the earphone is used longer, the greater the loss inside it, so the charging time will be relatively longer.