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SBKG 40 A1
Charging the internal battery
NOTE
►
Before using the headphones, the integrated battery must be com-
pletely charged.
CAUTION
►
Charge the headphones only in dry indoor spaces.
►
Use only the supplied USB charging cable
q
to charge the head-
phones.
►
Disconnect the USB charging cable
q
when charging is complete.
♦
Make sure that the headphones are switched off. To switch off the
headphones, press the
button
4
for about 2 seconds until a beep
sounds and the LED
6
goes out.
♦
Connect the USB-A plug on the USB charging cable
q
to a USB
mains adapter or a USB port on your computer.
♦
Connect the USB-C plug of the USB charging cable
q
to the
USB-C charging port
DC IN
7
on the headphones.
NOTE
►
The LED
6
lights up white during charging. When the battery is fully
charged, the LED
6
switches off.
►
Charging takes about 2.5 hours at a charging current of 500 mA.
When the battery is fully charged, you can play back music at a me-
dium volume (85 dB(A)) for up to 15 hours. The playback time may
vary depending on level of the volume.
►
When the battery is empty, the LED
6
flashes white once every 10
seconds and a signal tone sounds. The headphones then switch off
automatically.
Summary of Contents for SBKG 40 A1
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