Focal Listen, Руководство пользователя

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LISTEN WIRELESS®
Do not destroy and do not incinerate.
Any exposure to the battery’s internal components or to elements resulting
from its combustion may be dangerous. If this occurs, consult your doctor.
If during use, the battery gives off an unusual smell, gives off excessive
heat or becomes deformed, turn the device off immediately. If any of these
situations occur, contact your Focal retailer.
Only use the battery charger supplied with the device.
Only charge the batteries at an ambient temperature of between 10°C and
40°C.
Never charge a battery which is swollen, leaking or damaged.
Never use a modified or damaged charger. Only charge the battery on
non-flammable surfaces (do not charge the battery on flammable surfaces
such as carpet or wooden floors) and do not charge near flammable
materials. Charge the battery on a non-conductive surface in order to
prevent any damage, in particular relating to a short-circuit.
Keep the battery and charger out of reach of children.
OPTIMAL CONDITIONS FOR USING THE BATTERY
Before using a Focal device with a built-in lithium-ion battery for the first
time, it is advised to charge the battery completely in order to maximise
its autonomy and service life (wait approximately three hours for the
battery to fully charge). Do not over-charge the battery or let it discharge
excessively.
In order to preserve the integrity of your headphone battery, and when left
unused for extended periods, recharge the battery regularly, at least once
about every three months.
Turn off battery-powered devices when no longer in use.
For optimal use, do not use the headphones with a built-in battery in
places with very high or very low temperatures (below -5°C and above
40°C).
Please contact your Focal retailer if you encounter any problems.
O p e r a t i n g I n s t r u c t i o n s