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
phones.
►
Disconnect the USB charging cable
♦
Make sure that the headphones are switched off. To switch off the
headphones, press the
sounds and the LED
♦
Connect the USB-A plug on the USB charging cable
mains adapter or a USB port on your computer.
♦
Connect the USB-C plug of the USB charging cable
USB-C charging port DC IN
NOTE
6
►
The LED
charged, the LED
►
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
seconds and a signal tone sounds. The headphones then switch off
automatically.
SBKG 40 A1
button
6
goes out.
lights up white during charging. When the battery is fully
6
switches off.
q
q
when charging is complete.
4
for about 2 seconds until a beep
7
on the headphones.
6
flashes white once every 10
to charge the head-
q
to a USB
q
to the
GB │ IE
│
11
■