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Important safety instructions
Only use rechargeable batteries and chargers
recommended by Sennheiser.
Charge products with built-in rechargeable batteries at
ambient temperatures between 10 and 40°C/50 and
104°F.
Do not heat above 60 °C/140 °F, e.g. do not expose to
sunlight or throw into fire.
When not using the product for extended periods of
time, charge its built-in rechargeable battery regularly
(about every 3 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.
Notes on data collection and processing
This product stores individual settings such as the volume and the
Bluetooth addresses of paired devices. This data is required for the
operation of the product and is not transferred to Sennheiser or com-
panies commissioned by Sennheiser and is not processed.
Intended use/Liability
These headphones have been designed as an accessory for Blue-
tooth compliant devices. They are intended for wireless audio com-
munication such as music playback and phone calls via Bluetooth
wireless technology.
It is considered improper use when the product is used for any appli-
cation not named in the corresponding product documentation.
Sennheiser does not accept liability for damage arising from misuse
or improper use of this product and its attachments/accessories.
Sennheiser is not liable for damages to USB devices that are not con-
sistent with the USB specifications. Sennheiser is not liable for dam-
ages resulting from the loss of connection due to flat or overaged
rechargeable batteries or exceeding the Bluetooth transmission
range.
Before putting into operation, please observe the respective coun-
try-specific regulations.
CX 150BT | 3
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