English
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Cleaning and storage
CAUTION:
Do not immerse the headphones in water!
• There are no parts inside the device which can be main-
tained by the user.
• Clean the headphones with a slightly damp cloth and no
additional cleaning agents.
Troubleshooting
Symptoms
Possible cause
Solution
Headphones
cannot be
turned on
Battery empty
Charge the battery (
Page 26)
No audio
signal during
Bluetooth
connection
Headphones are
turned off
Turn the Headphones
on.
Headphones are
not paired with the
audio source.
Check whether the con-
nection exists. Pair the
Headphones with the
audio source again, if
necessary.
Volume too low
Increase the volume on
the headphones
Increase the volume on
the audio source.
Headphones
cannot be
connected
Pairing does not
work
Check, whether the
audio source supports
the A2DP protocol.
Audio source is
turned off.
Turn the audio source
on.
Bluetooth is turned
off on the audio
source.
Turn the Bluetooth
function on in the audio
source.
Technical Data
Model: .............................................................................KH 4230 BT
Net weight: ..............................................................approx. 0.21 kg
Battery: .........................................3.7 V
40
0 mAh lithium polymer
Charging time: .............................................approx. 3.5 hours
Operating time: ...............................................approx. 8 hours
Bluetooth
Bluetooth support: ........................................................V3.0 + EDR
Range: ..................................................................approx. 10 meters
Transmitting frequency:.......................................................2.4 GHz
Protocols: ....................................................................A2DP, AVRCP
The right to make technical and design modifications in
the course of continuous product development remains
reserved.
This device complies with the relevant CE Directives and is
designed in accordance with the latest safety regulations
Disposal
Battery disposal
The device has a rechargeable battery. Used
batteries and accumulators do not belong in
the household waste.
The batteries / accumulators must be removed
before the product goes into the waste
disposal. For this, consult qualified specialized
personnel.
Environmental protection
Do not dispose of the device at the end of its
service life with normal household waste. Bring
it to the official collection point for recycling. By
doing this, you help protect the environment.
