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4. Please don’t overcharge the device for a long time,
as that will decrease the battery service life.
5. Please stop using the device immediately if it causes
discomfort or pain.
6. Use DC-5V 1A chargers/adapters certified by a
regulated manufacturer.
Recharging
and
discharging
the
headphones
repeatedly will lead to decrease in battery performance
over time,which is normal for all rechargeable batteries.
(Don’t press the elastic pin contact point, so as not to
cause them to be used properly.)
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