Battery
BTR13 has a built-in high-performance lithium polymer battery with a capacity of 460mAh.
Battery life
Battery life of about 8 hours in AAC encoding format with high gain (3.5mm headphone output)
Battery life of about 8 hours in AAC encoding format with high gain (4.4mm balanced output)
Battery life of about 9 hours in PHONE mode
What kind of adapter should BTR13 use?
BTR13 does not support fast charging. Some fast charging adapters on the market can charge BTR13, but they will not trigger fast charging and are not guaranteed to be fully compatible.
It is recommended to use a general 5V2A charger, which can be fully charged in about 1.5 hours
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