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Important safety instructions
CX True Wireless | 3
Notes on the ingress protection rating of the earbuds
The earbuds feature an IPX4 ingress protection rating which means
they are protected from the ingress of water (according to the Inter
-
national Protection Rating (IP code), IEC standard 60529, tested
under laboratory conditions).
The earbuds can be used in the rain, for example. However, they are
not suitable for immersion in water or for wearing in the shower. In
case of permanent moisture/wetness, the ingress protection can be
reduced and the product can be damaged.
Do not charge wet earbuds. Completely dry wet earbuds with a dry
cloth before charging them.
The charging case is not splash waterproof. Always keep the
charging case dry.
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 Sennheiser or companies commissioned by Sennheiser 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 Sennheiser
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, ver
-
sion 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.
Only use rechargeable batteries and chargers recom-
mended by Sennheiser.
Only charge the product / rechargeable batteries at
ambient temperatures between 10 °C to 40 °C/50 °F to
104 °F.
Do not heat the product / rechargeable batteries above
70 °C/140
°F. Avoid exposure to sunlight and do not
throw the product / rechargeable batteries into fire.
When not using the product / rechargeable batteries for
extended periods of time, charge them regularly (about
every three months).
Switch rechargeable battery-powered products off after
use.
Dispose of defective products with built-in rechargeable
batteries at special collection points or return them to
your specialist dealer.
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