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Product Parameters:
Charging time of charging box
Headphone battery capacity
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Charging box battery capacity
Charging box battery model
Polymer lithium battery
Guarantee
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Charging:
(1) Headphone charging. The charging box has a built-in battery.
When the charging box is fully charged, the earphone is placed in
the charging box, and the earphone can be charged. When the
earphone is in the charging state, the red light is always on, the blue