User's Manual

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2. Battery Precautions
The device can be powered by a built-in rechargeable lithium battery.
Please charge the battery at least 8 hours before your first use of
device.
If the device is not used for a long period of time, the battery may
be out of power. Please charge the battery.
Rechargeable batteries are only to be charged under adult
supervision.
Use only the supplied AC adapter to 3.5mm DC plug cable to
recharge the battery. Improper charging may damage the battery
and the device.
Do not attempt to open the rechargeable battery or battery pack.
There are no serviceable parts inside.
Should a battery leak, the device may become damaged. Clean
the battery compartment immediately, avoiding touching with your
skin.
Keep the battery out of reach of children. If swallowed, consult a
physician immediately.
Avoid storing the battery in extremely hot or cold environment. A
device with a hot or cold battery may not work temporarily, even
when the battery is fully charged.
Do not dispose batteries in a fire as they may explode. Batteries
may also explode if damaged. Please dispose them according to
local regulation. Do not dispose them as household waste.