2. Charging the bettary of the headset
First using—You must charge the battery of the headset fully before first using.
Low power—The red indicator light will flash and you can also hear 3 tones of “DU”
every 20 seconds. At this time, you have to charge the battery of the headset.
The charging steps are as follows:
Step1: Connect charger or charging cable to standard power outlet;
Step2: Connect the end of charger or charging cable to charging socket of the
headset;
Step3: When charging, red indicator light is on. It takes about 1 1.5 hours to
charge the battery fully;
Step4: When charging has completed, the red indicator light will switch off.
Note: If charging via a USB port, this USB port is used only for charging purposes, no
any data is transferred over the USB port.
Warning:
1. The battery is recycled.
2. Do not dispose of the battery in fire, as it may cause
Explosion.
Basic operation
1. Switching on/off the headset
Remark:
The headset will switch off automatically if no devices can be connected after 10
minutes in order to save power.
2. Pairing the headset with Bluetooth mobile phone
You have to pair the Bluetooth headset with Bluetooth mobile phone before first using the
headset. Please make sure your mobile phone has bluetooth function that is available.
Specific pairing procedures may vary with different mobile phones. Please refer to your
Function
Operation
LED indicator
light
Indication tone
Switch on the
headset
Long press MFB for 3
5
seconds, and release it till
indicator light is on
Blue
indicator
light is on for 1
second
A long “DI” and a
long “DU” tones
Switch off the
headset
Long press MFB for 3
5
seconds, and release it till
indicator light is off
Red
indicator
light is on for 1
second
and
then all indicator
lights are off
A long “DI” tone
Enter
into
pairing mode
When the headset is off, long
press MFB for 7 8 seconds
Red and blue
LEDs
flash
alternately
Nothing