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• Wipe the terminals of the product or the battery, if it
became dirty, with a clean and dry rag.
• It is necessary to charge the battery before its use. Always
use the charger and read the manufacturer instructions or
the manual of the device for the instructions regarding
charging.
• Do not leave a battery charged when it's not going to be
used.
• After long periods of storage, it may be necessary to charge
and discharge the battery several times in order to achieve
maximum performance.
• Always keep the original documentation of the device, you
might need it later for future reference.
• If it's possible, take out the battery of the device when it's
not used.
• Do not store your device in extremely hot or cold places like
inside of a car during the summer. It might damage the
device
and
recommended to use the device in a range of temperatures
between -20°C and 40℃.
Prevention of hearing loss
There are irreversible risks of hearing loss if the receiver, the
earphones, the loudspeaker or the hands-free kit are used at
a high volume. Adjust the volume to a level that does not
present danger. Over time, you may accustom to using a
higher volume, but this may cause damage to your hearing. If
cause
explosion
of
the
battery.
It's
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