Charging the battery
17
Charging headphones without the USB charging cable
A rechargeable battery is built into the charging case. If you have charged the charging case, you can charge the
headphones without using the USB charging cable.
1
Place the headphones in the charging case.
While charging, the indicator lamp lights as follows. (It may take several seconds for the indicator lamp to
light.)
When charging the headphones, make sure the indicator lamps on the headphones light up. If they do not
light up, remove the headphones and place them in the case again.
1
1
Indicator lamps
Indicator lamp
Status
Lights in white
Charging
Off
Charging complete / Charging case battery has no power
Checking the battery level of the charging case and
headphones
When opening/closing the cover of the charging case, the five charging indicator lamps light to indicate the battery level
of the charging case and headphones.
1
Open the charging case cover.
The indicator lamps light in blue to indicate the battery level of the headphones. The number of lit charging
indicator lamps indicates the battery level.