4
5. Charging
Fully charge the earphones and the charging box once before using them for the first time .
Insert the earphones and connect the charging box
Place the earphones in the charging
box . Ensure that the earphones are
inserted into the correct sides, using the
L/R markings as a guide .
Connect the USB charging cable
included to the charging socket (9) on
the charging box .
Connect the free plug on the micro-
USB charging cable to a suitable
USB charger . To do this, consult the
operating instructions for the USB
charger you are using .
Charging procedure for the charging box and earphones
The status LED of the charging box (2) flashes blue . After the charging box is fully charged, the 4
LEDs on the charging box light up blue .
The status LEDs on the earphones (4) light up solid red during the charging process . After the
earphones are fully charged, the status LEDs go out .
It can take up to 1 hour (earphones) or up to 2 hours (charging box) until the batteries are fully
charged .
Battery capacity
Charging box
100% – 75%
75% – 50%
50% – 25%
25% – 0%
Earphones
When the battery is low (<25%), the announcement
"Battery low"
is heard .
The actual battery life will vary depending on how you use the device, the settings and the ambient
temperatures (rechargeable batteries have a limited life) .
Note
If you have not used the device for a few months, it can take up to 15 - 30 minutes until the
status LED (2/4) lights up red during the charging process .
1
2
3
Micro-USB
CHARGING
CHARGED
2
h
:
00
m
1
h
:
00
m
