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Charge the battery regularly and as fully as
possible. Do not leave the battery discharged
for a long period of time.
Keep the headphones away from heat sources
such as radiators or open flames such as
candles.
WARNING!
Risk of chemical burns!
There is a risk of chemical burns if
the rechargeable battery is handled
incorrectly.
Do not use the headphones if the
rechargeable battery is damaged in any way.
Do not take the rechargeable battery apart or
deform it.
Leaked liquids must not come into contact
with the skin, eyes or mucous membranes.
Do not swallow the liquid under any
circumstances.
Always wear appropriate protective gloves
when handling leaking rechargeable batteries.
If you nevertheless come into contact with the
liquid, rinse the affected areas with plenty of
clean water.
Consult a doctor immediately if you notice any
skin changes or feel discomfort.
