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MICROPHONE MUTE
AND UNMUTE
To mute the microphone while on a
call, press and hold the lower button
for 2 seconds until you hear the notifi-
cation tone. To unmute the micro-
phone, repeat this procedure.
VOLUME CONTROL
By briefly pressing the upper button
you can increase the volume and by
briefly pressing the lower button you
can decrease it.
Warning: Listening to music on a high
volume over a longer period of time
will damage your hearing ability.
VOICE ASSISTANT AND
VOICE DIALING
Double press the middle control
button to activate your phone’s Voice
Assistant function. It‘s necessary that
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