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Important safety instructions
MOMENTUM 4 | 3
Notes on data collection and processing and on firmware updates
This product stores individual settings such as the volume, the
sound profiles and the Bluetooth connection data of paired devices.
This data is required for the operation of the product and is not trans-
ferred to Sonova Consumer Hearing GmbH or companies commis-
sioned by Sonova Consumer Hearing GmbH and is not processed.
Using the “Sennheiser Smart Control” app, you can update the firm-
ware of the product for free via an Internet connection. If the device
on which the app is installed is connected to the Internet, the follow-
ing data is automatically transferred to and processed by Sonova
Consumer Hearing servers in order to provide and transfer suitable
firmware updates: hardware identifier, hardware revision number,
firmware version of the product, operating system type (Android,
iOS) and version, version of the app. The data will only be used as
specified and will not be stored permanently.
If you do not want this data to be transferred and processed, do not
connect to the Internet.
Notes on the use of headphones in damp environments
Headphones are an everyday companion. When using the head-
phones on the go, they may be exposed to moisture. For example,
rain, air humidity or even sweat may come into contact with the
headphones.
Only use rechargeable batteries and chargers recom-
mended by Sonova Consumer Hearing.
Do not leave the product / rechargeable batteries unat-
tended while charging.
Only charge the product / rechargeable batteries at
ambient temperatures between 10 °C and 40 °C/50 °F
and 104 °F and do not charge them near easily flamma-
ble objects.
Do not charge the product / rechargeable batteries in a
damp environment. Make sure that the charging socket
is free from moisture and contamination.
Do not heat the product / rechargeable batteries above
60 °C/140 °F. Avoid exposure to sunlight and do not
throw the product / rechargeable batteries into fire.
Switch rechargeable battery-powered products off after
use.
When not using the product / rechargeable batteries for
extended periods of time, charge them regularly (about
every three months).
Avoid prolonged skin contact with the product,
rechargeable battery, charger or charging cable when
connected to a power source. These components can
heat up during charging and cause skin irritation.
Dispose of defective products with built-in rechargeable
batteries at special collection points or return them to
your specialist dealer to facilitate recycling.
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