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Troubleshooting guide
The headphones
will not switch on.
Make sure that the battery is charged. Refer to the
Charging
section above.
The battery does
not charge.
• If you are using a computer as a power source, check that it is on and
not in standby mode.
• Check that the Micro-USB cable is correctly connected to both
the headphones and the computer/adapter.
The headphones
won’t connect
to (pair with)
the external
device.
• Place the headphones next to the device that you are trying to connect
them to.
• Make sure that:
- Both devices are switched on.
- The Bluetooth function is enabled on the device you are trying to
connect to.
Poor or no
sound.
• Adjust the volume on both your telephone and the headphones.
• Make sure that the Bluetooth connection has been properly established.
• Test playback from your telephone without it being connected to
the headphones to check that it works.
• Try playback using another file or track, the one you are attempting to
play may be corrupt.
• Make sure that no other wireless devices are disrupting your Bluetooth
connection.
• Make sure that your telephone is within the 10 m reception range of
the headphones.
Responsible disposal
This symbol indicates that the product should not be disposed of with general
household waste. This applies throughout the entire EU. In order to prevent
any harm to the environment or health hazards caused by incorrect waste
disposal, the product must be handed in for recycling so that the material can
be disposed of in a responsible manner. When recycling your product, take it to
your local collection facility or contact the place of purchase. They will ensure that
the product is disposed of in an environmentally sound manner.
Specifications
Bluetooth
Version
5.0
Range
10 m
Output
8 dBm
BT Frequency range
2402–2480 MHz
Battery capacity
300 mAh
Charging time
Approx. 2.5 hours
Listening time
Approx. 10 hours
Standby time
Approx. 120 hours
Weight
72 g
Summary of Contents for 38-9421-1
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