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•
Improper battery use may result in a fire, explosion or other
hazard.
•
Promptly dispose of used batteries in accordance with local
regulations.
•
The device should only be connected to products that bear the
USB-IF logo or have completed the USB-IF compliance
program.
Cleaning and Maintenance
•
The device, battery, and charger are not water-resistant. Keep
them dry. Protect the device, battery, and charger from water or
vapor. Do not touch the device or the charger with a wet hand.
Otherwise, it may lead to a short circuit, a malfunction of the
device, and an electric shock to the user.
•
Do not place your device, battery, and charger in places where
they can get damaged because of collision. Otherwise, it may
lead to battery leakage, device malfunction, overheating, fire, or
explosion.
•
Do not place magnetic storage media such as magnetic cards
and floppy disks near the device. Radiation from the device may
erase the information stored on them.
•
Do not leave your device, battery, and charger in a place with an
extreme high or low temperature. Otherwise, they may not
function properly and may lead to a fire or an explosion. When
the temperature is lower than 0°C, performance of the battery is
affected.
•
Do not place sharp metal objects such as pins near the earpiece.
The earpiece may attract these objects and hurt you when you
are using the device.
•
Before you clean or maintain the device, power off the device
and disconnect it from the charger.
•
Do not use any chemical detergent, powder, or other chemical
agents (such as alcohol and benzene) to clean the device and
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