AGPtek A30X User Manual page 16

The battery of this device is a polymer lithium battery, which can
be recharged and used.
4. 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.
5. The lifespan of the battery may vary with the conditions of use
and production time.
6. The battery should not be exposed to sunlight, fire or similar
overheating environment.
Tips for Hearing Conservation
7. 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.
8. 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).
9. When tinnitus occurs, please lower the volume or stop using it.
Caution
1. Before formatting the device, it is recommended to back up the
personal data stored in it in time.
2. Ensure that the product is placed safely to avoid accidents and
drops caused by children touching.
3. Do not overvoltage, strain the power cord, bend it or be squeezed
by heavy objects, so as not to cause overheating or fire.
4. Please keep the product away from the electromagnetic
environment; keep away from excessive humidity, smoke and dust
and other harsh environments.
5. Do not immerse the device in water; do not use any corrosive or
abrasive cleaners to clean it.
6. Do not expose the product to moisture or rain, it may cause the
device to malfunction or even be difficult to repair due to the
penetration of water and moisture.
12