Notes On Battery Charging
Tips for Hearing Conservation
1. Please use the PC USB port or a 5V/1A power adapter to charge
the device.
Note:
A. When using the PC USB port to charge, the current output
capability of the USB port of different PCs is different and the
charging time will be slightly different. It is recommended that when
using the PC USB port to charge, try to power off the device to
speed up the charging.
B. The charger and the MP3 player will heat up to a certain extent
during charging, which is a normal phenomenon.
2. New battery needs to go through several charging and
discharging processes to achieve the best performance.
3. Under normal circumstances, the player can be fully charged in
about 3h. It is recommended to pull out from the USB port after
charging, and do not connect to the power supply for a long time.
4. The battery of this device is a polymer lithium battery, which can
be recharged and used.
5. The polymer lithium battery must be replaced by a professional,
and the user must not replace it by himself (Note: If the battery is
replaced improperly, there will be a danger of explosion, and it can
only be replaced with the same type or equivalent type of battery);
in order to protect the environment, please hand over the waste
batteries to a professional organization for recycling.
6. The lifespan of the battery may vary with the conditions of use
and production time.
7. The battery should not be exposed to sunlight, fire or similar
overheating environment.
1. It is recommended to turn down the volume of the device before
using the earphones, and gradually increase until it is suitable when
you start to listen.
2. In order to protect hearing, please do not turn up the volume too
high (doctors pointed out that listening at high volume for a long
time will damage the listener's hearing).
3. When tinnitus occurs, please lower the volume or stop using it.
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