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17. Environmental conditions
The product is designed such that it functions
without problems or restrictions if used as
intended, unless otherwise noted in these user
guides. Please ensure to use, charge, transport
and store the hearing aid according to the
following conditions:
Hearing aids:
Charging and
operating
Transport Storage
Temperature
Maximum
range
+5 to +40 °C
(+41 to +104 °F)
-20 to +60 °C
(-4 to +140 °F)
-20 to +60 °C
(-4 to +140 °F)
Humidity
(non condensing)
0% to 85% 0% to 93% 0% to 93%
Atmospheric
pressure
500 to 1060 hPa 500 to 1060 hPa 500 to 1060 hPa
Temperature and humidity shall not exceed the
ranges described in the table above for extended
periods of time during transport and storage.
Prolonged storage at temperatures lower than
10 °C and higher than 30 °C may negatively aect
the battery performance of the product.
Chargers:
Operating Transport Storage
Temperature
Maximum
range
+5 to +40 °C
(+41 to +104 °F)
-20 to +60 °C
(-4 to +140 °F)
-20 to +60 °C
(-4 to +140 °F)
Humidity
(non condensing)
0% to 85% 0% to 70% 0% to 70%
Atmospheric
pressure
500 to 1060 hPa 500 to 1060 hPa 500 to 1060 hPa
Please ensure to charge the hearing aids
regularly during long-term storage.
These hearing aids are classied as IP68. This
means that they are water and dust resistant
and designed to withstand daily life situations.
They can be worn in the rain but should not be
fully submerged in water or used when taking
a shower, swimming or other water activities.
These hearing aids should never be exposed
to chlorinated water, soap, salt water or other
liquids with a chemical content.
If the device has been subject to storage
and transport conditions outside of the
recommended use conditions,