two hours
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Charging time The headset can be charged for half an hour wirelessly, 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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Wireless charging Huawei freebuds4 supports wireless charging and reverse charging.
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Huawei freebuds4 uses a semi-in-ear design, according to the development trend of previous generations of headphones, this new semi-in-ear TWS product FreeBuds4.