10
Note: This mobile function is different from
brand to brand.
3.12
Volume Adjustment
When having a call
，
you can control volume through
volume button.
1. Press the “volume increase” button to increase
volume.
2. Press the “volume decrease” button to decrease
volume.
Note 1:There will be low and short sound each
time pressing the volume button, and the same
time volume will be higher and lower.
Note 2: Please tune your Bluetooth headset to a
suitable volume between max. and min.
Note 3:
You can tune the volume of mobile phone
to control the volume of Bluetooth headset.
3.13
Silence
1.
When having a call, press the volume control
button until hearing inflexion
，
then microphone
will be in whist state. The other side will not hear
your voice.
2.
When having a call
，
press the volume control
button to bring to the normal state from whist
state.
3.14
Low Battery Alert
When the battery is running out of power
，
the
headset indicator will flash from blue to red and
beep sound will be heard every 20 seconds
indicating that the battery needs to be charged.