User's Manual

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Charger and Battery
Before using any charger to charge this earphone, check whether the specifications of the charger meet
requirements. The recommended output voltage of the charger is DC5V+/-0.25V, and the recommended output
current is 100 mA to 500 mA. An over-high charging voltage may damage the earphone.
Warning: Use the recommended charger whenever possible. Use of other types of chargers may violate the
warranty terms of the equipment and results in danger. If the charging cable is delivered with the earphone,
connect the cable to a CCC-certified charger or computer to charge the earphone.
Charging the Battery
The earphone use embedded charging battery that cannot be removed. Do not attempt to remove the battery from the
earphone or the charging box; otherwise, the earphone may be damaged. If the earphone is not used in a long time, keep it