5. Charging
Fully charge the earphones and the charging box once before using them for the first time�
1
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 (7) 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�
Micro-USB
2
Charging procedure for the charging box and earphones
The status LED on the charging box (2) flashes red during the charging process� Once the charging
box is fully charged, the charging box LED (2) lights up red�
The status LEDs on the earphones (3) light up solid red during the charging process� Once the
earphones are fully charged, the status LEDs (3) light up green for around 30 seconds and then the
status LEDs go out�
It can take up to 2�5 hours (earphones) or up to 3�5 hours (charging box) until the batteries are
fully charged�
CHARGING
3
Battery capacity
Charging box
When the battery level is low (<10%), the status LED (2) flashes green four times and then goes out�
Earphones
When battery levels are low, the status LED (3) flashes red�
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 (2/3) lights up red during the charging process�
3
:30
h
m
2
:30
h
m
CHARGED
4