2
2.Basic Operation
Button
Function
Operation Instruction
MFB
Power On
O
ff status, long press 2 seconds to power on,
until beep sound
Power Off
O
n status, long press 3 seconds to power off,
until beep sound
Enter Pairing Mode
On headset press button until
LED
flashes
blue light
/red. Next Search
phone blue
tooth device named "
M103
" and select. Once
connected( flashes 1 time every 10 seconds ), with prompt
“
Paired
"
on mobile device.
Redial A Call
In connected standby mode, double press MFB to dial the last call.
Voice Dialing
In connected standby mode, long press MFB
for
1 second then
release.
Audio Switch
When during a call, long press for 2 seconds to switch
Microphone mute
When during a call, short press to mute, press again to cancel
Volume Up
Short press.
（
the maximum with the prompt
“
Di
”）
Next Song
Long press for 1 second.
Volume -
Volume Down
Short press.
Previous Song
Long press for 1 second.
Phone
Button
Answer a call
When a call incoming, short press to answer.
Hang up a call
When during a call, short press to hang up.
Reject a call
When a call incoming, long press for 1 second to reject the call.
Three-way calling
function
1.
Call coming during a call, short press to answer a new call and
hang up
the current call.
2.
Call coming during a call, double press to answer a new call
and keep the
current call.
3.
Call coming during a call, long press for 2 seconds to reject a
new call.
4.
When you are on a three-party call, double press to switch
audio
between the current call and the keep call.
Play / Pause
Short press when play music.