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Using the headphones
2. Connect the USB-A connector to a corresponding socket of a USB
power source (to be ordered separately). Make sure that the USB
power source is connected to the power supply system.
The charging process of the headphones begins. The LED display
indicates the charge status.
LED
Meaning
1 red
Rechargeable battery is almost empty
(less than 2% charged)
1 white
Rechargeable battery is approx.
2-20% charged
(>1 hour of playback time)
2 white
Rechargeable battery is approx.
20-40% charged
(>12 hours of playback time)
3 white
Rechargeable battery is approx.
40-60% charged
(>24 hours of playback time)
4 white
Rechargeable battery is approx.
60-80% charged
(>36 hours of playback time)
5 white
Rechargeable battery is approx.
80-100% charged
(>48 hours of playback time)
5 white
Rechargeable battery is 100% charged
(up to 60 hours of playback time)
If the LED display does not light up:
▷Clean the charging socket (> 38).
▷Charge the rechargeable battery until the LED display lights up
again (at least 30 minutes) (> 14). If the rechargeable battery is
completely discharged, it may take several minutes for the LED
display to indicate the charging process.
You can speed up the charging process by charging the head
phones when they are switched off.
If you disconnect the USB connection during or after charging,
you will hear a voice prompt informing you of the remaining
battery life.
Connecting the headphones to a Bluetooth device
To be able to use the Bluetooth connection, you must register both
devices (headphones and e.g. smartphone) once. This process is
called pairing.
If operation differs from the steps mentioned, also refer to the
instruction manual of the Bluetooth device you are using.
If you switch on the headphones for the first time (the pairing
list is empty), they automatically switch to pairing mode.
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