Charging the internal battery
NOTE
►
Before using the headphones, the integrated battery must be
completely charged .
CAUTION
►
Charge the headphones only in dry indoor spaces .
►
Use only the supplied USB charging cable
headphones .
►
Always disconnect the USB charging cable
is complete .
♦
Make sure that the headphones are switched off . To switch off
the headphones, press the
2 seconds until a beep sounds and the operating/charg-
ing LED
♦
Connect the USB plug on the USB charging cable
USB mains adapter or a USB port on your computer .
♦
Connect the micro USB plug of the USB charging cable
the micro USB charging socket
NOTE
►
The operating/charging LED
charging . When the battery is fully charged, the operating/
charging LED goes out .
►
Charging takes about 3 .5 hours at a charging current of
500 mA . When the battery is fully charged, you can play back
music at a medium volume (85 dB(A)) for up to 20 hours . The
playback time may vary depending on level of the volume .
►
When the battery is empty, you will hear two beeps at an interval
of 10 minutes, and the operating/charging LED
times orange every 15 seconds . The headphones then switch
off automatically .
SKHK 40 A1
goes out .
0
w
w
button
6
on the headphones .
9
lights up orange during
0
to charge the
when charging
for about
to a
w
w
flashes three
0
GB │ IE
│
31
to
■