The first is the best method, and it is also the method that people often use, that is, to charge with a charger, which is the least harmful to the headset.
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The following two methods only need the data cable of the headset to charge, and the advantage is convenient.
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The second is to use the charging treasure to charge, this method is the most convenient, as long as we bring the charging treasure we can charge at any time and anywhere, but some charging treasure voltage is not stable, so the damage to the headset is somewhat large.
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The third is to use the computer to charge, this method is generally not used much, but when we do not have a suitable charging place can also be used as an emergency.