9
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 one time
Volume up
Conversation mode
Short press “+”button
Volume
down
Conversation mode
Short press “
―
”button
Call
transfer to
mobile-pho
ne
Conversation mode
Long press multifunction
button for 2 seconds
Call
transfer to
earphone
Conversation mode
Long press multifunction
button for 2 seconds
Microphon
e 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
