4.2 Charging the charging box
• Begin charging by connecting the included USB charging cable to
the charging socket (6) and to the USB connection of a suitable
USB charger.
• Please refer to the operating instructions for the USB charger
used.
• The status LED of the charging box (7) is constantly lit red
during charging.
• It can take up to two hours to fully charge the battery.
• When the battery is fully charged, the status LED (7) of the
charging box is lit blue.
• Disconnect all cable and mains connections after use.
Note
• If the batteries of the earphones and the charging box are
empty, the earphone batteries will be recharged first. After
that, the battery of the charging box will be charged (the
status LEDs (3) of the earphones go out; the status LED (7) of
the charging box continues to be lit red).
• A charging box battery that has been fully charged allows you
to completely charge both earphones about three times.
5. Operation
5.1 Switching the earphones off/on
• Turn On:
With the device off, press and hold the multifunction button
(1) for three seconds until you hear a voice say 'Power on'. The
status LED (3) flashes blue.
6