9
Answer call
Ringing
Short press multifunction
button once
Reject call
Ringing
Long press multifunction
button for about 2 seconds
and release it till you listen
prompt tone
End call
Conversation mode
Short press multifunction
button once
Volume up
Conversation mode
Short press “+”button
Volume down
Conversation mode
Short press “
―
”button
Call transfer to
mobile-phone
Conversation mode
Long press multifunction
button for 2 seconds
Call transfer to
headset
Conversation mode
Long press multifunction
button for 2 seconds
Microphone
mute
Conversation mode
Double-click multifunction
button
Cancel mute
Conversation
mode(Microphone
mute)
Double-click multifunction
button
Voice dial
Standby mode(have
already connect with
device)
Long press multifunction
button for 2 seconds
Redial last
number
Standby mode(have
already connect with
device)
Double-click multifunction
button
Delete pairing
list
Power off
Press multifunction button
and “+”button at the same
time for 8 seconds and
release it till blue light and
red light on at the same time
for 1.5 second
