User's Manual

Volume down
During a call
Press volume
down button
No prompt
tone
Transfer
conversation
to cellphone
During a call
Press MFB
about 2 seconds
Transfer
audio
Transfer
conversation
to headset
During a call
Press MFB
about 2 seconds
Transfer
audio
Microphone
mute
During a call
Double click
MFB button
Mute on
Cancel mute
During a call
(microphone
mute)
Double click
MFB button
Mute off
Active voice
Assistant
Connected mode
or playing music
Double click
MFB button
No prompt
tone
Redial last
number
Connected mode
or playing music
Press MFB and
volume up
button
simultaneously
Last number
redial
Warning: Excessive pressure from earphones and headphones can cause
hearing loss.
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