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9 ■
SKHK 40 A1
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
w to charge the
headphones.
► Always disconnect the USB charging cable
w when charging
is complete.
♦ Make sure that the headphones are switched off. To switch off
the headphones, press the
button 6 for about
2seconds until a beep sounds and the operating/charg-
ingLED0 goes out.
♦ Connect the USB plug on the USB charging cable
w to a
USB mains adapter or a USB port on your computer.
♦ Connect the micro USB plug of the USB charging cable
w to
the micro USB charging socket 9 on the headphones.
NOTE
► The operating/charging LED
0 lights up orange during
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
0 flashes three
times orange every 15 seconds. The headphones then switch
off automatically.
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