Silvercrest STWSK 3 A1 Operating Instructions Manual page 10

The earphones and the charging box each contain a lithi-
um polymer battery:
- The devices must not be opened!
- The batteries cannot be removed!
- Dispose of the devices as a whole!
Do not expose the charging box and earphones to direct
sunlight or heat. The ambient temperature should not be
lower than 10 °C or higher than 40 °C. Please remember
that in a car the storage temperature may significantly ex-
ceed 40 °C.
WARNING! Risk of hearing damage!
Set a low volume on the audio device before using the ear-
phones.
Avoid excessive volumes, particularly over extended peri-
ods or in the case of frequent use. Excessive volume can re-
sult in permanent hearing damage. To avoid hearing
damage, always adjust the volume to a comfortable level.
WARNING - Radio interference!
Switch off the device in aircraft, hospitals, technical rooms
or near medical electronic systems.
Radio waves might restrict the correct functioning of sensi-
tive electrical devices. A minimum distance of 20 cm must
be maintained between the product and heart pacemakers
or implantable cardioverter defibrillators, as the electro-
magnetic radiation could restrict the correct functioning of
heart pacemakers.
Radio waves could cause hearing aids to malfunction.
WARNING! Risk of material damage!
If you notice any irregularities (e.g. unusual noises, strange
smells or the development of smoke), turn the device off im-
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