User Manual
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BIZ 2400 II USB Duo CC headset
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ENGLISH
JABRA BIZ 2
400
II
5
.1
E
VERYDA
Y
USE
CALLS
Mute/
unmute
microphone
T
ap the
Mute
button
Adjust speaker
volume
T
ap the
V
olume
buttons
Answer
/
end
call
T
ap the
Answer
/
end
button
Hold/
resume
call
T
ap the
Hold call
button
1
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