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Important safety
instructions
Attention: Read this page carefully to
ensure safe operation of the device.
Explanation of symbols
This symbol indicates risks caused
by high voltages.
This symbol is to alert the user to
other, more specific risks.
This symbol indicates dangers
caused by the development
of fire.
1.1 Heat
Do not place the device near hot
surfaces, such as radiators, fan
heaters, stoves or other devices
(including amplifiers) that can
be hot. Never place objects with
open flame, such as candles or
lanterns, on or near the device.
To reduce the risk of fire, do not
cover this product with newspa-
pers, tablecloths, curtains, etc.
during use.
1.2 Environment
Do not use it in dusty, humid,
dry, and high-temperature
environment.
We. HEAR 1
1.3 Thunderstorm
The device should be discon-
nected from the charging
appliance (USB charger) during
thunderstorms.
1.4 Battery care
If you do not use the product for
a long time, be sure to charge it at
least once a month to maintain its
performance.
1.5 Rechargeable batteries
Rechargeable batteries are ex-
pendable parts and are therefore
not covered by the warranty.
Defective rechargeable batteries
can not be replaced by the cus-
tomer. In the case of rechargeable
battery defects, please contact
your local dealer.
ATTENTION: Incorrect insertion
(voltage reversal/short circuit)
of the lithium-ion recharge-
able batteries causes a risk of
explosion. Replace rechargeable
batteries only with an identical or
similar type.
1.6 Damages requiring repair
Maintenance and repair work
should only be carried out by
a qualified customer service.
Maintenance/repair is required if
the device has been damaged, if
liquid has entered the device, if
objects have entered the device
or when it stops working properly.
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