15
GB
5. Before using for the first time
• Remove all packing material.
• Check that the device is undamaged.
Charging the battery
WARNING! Risk of material dam-
age!
~
The battery must only be charged using the USB
charger cable
|
14
supplied.
NOTES:
• The charging time for the battery is approx.
2.5 hours.
• When the battery is fully charged, the operat-
ing time is approx. 13 hours.
• Without the battery charged, you are able to
use the headphones like regular headphones.
Then the active noise cancellation will not work.
• While the battery is being charged, you can
switch on noise cancellation. However, this will
extend the charging time.
• In order to increase the service life of the bat-
tery, we recommend using the device regularly
and without extended storage periods.
• When the battery is almost flat, the LED
|
16
flashes in yellow.
__293091_In_Ear_Kopfh_B6.book Seite 15 Donnerstag, 26. Oktober 2017 8:30 20
