Jabra SPEAK 450 Quick Start Manual page 8

On/off (USB)
On/off (Bluetooth)
Answer call
End call
Speaker volume
Mute/un-mute
microphone
Reconnect/disconnect
with Bluetooth device
Set the On/Off/Bluetooth switch to
the On setting if connected via USB
Set the On/Off/Bluetooth switch to
the Bluetooth setting if connected via
Bluetooth.
Tap the Answer/end button
Tap the Answer/end button
Tap the Volume + or Volume - button
Tap the Mute button
Tap the Connect button to reconnect/
disconnect with a Bluetooth device
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