1. Adjustable headband
2. Volume up button
3. Volume down button
4. Power/Multifunction button (MFB)
Button
Function
Power on
MFB
Power off
Play/Pause
Redial the last
number called
Hands-free mode -
Voice dialing
Hands-free mode -
Answering a call
Operation instruction
Press and hold this button for about 2-3
seconds to turn on the device. It will
automatically enter into the Bluetooth®
pairing mode.
Press and hold this button for about 2-3
seconds to turn off the device.
Briefly press this button to play and
pause media.
Press this button twice to redial the last
number called (on supported devices).
Press and hold this button for about 1-2
seconds to turn ON the voice assistant
function of the phone.*
Briefly press this button to answer an
incoming call.
Hands Free mode -
Hanging up a call
Hands-free mode -
Rejecting a call
Hands Free mode -
Audio switch
Volume up
Volume +
Next media source
Volume down
Volume -
Previous media
source
* It enables Google Assistant for Android phones and Siri for IOS phones.
5. LED indicator light
• The blue LED will blink twice to indicate that the device is turned on.
• The red LED will blink 3 times to indicate that the device is turning off.
• Alternating red/blue LED indicates that the device has entered into the
Bluetooth® pairing mode.
Briefly press this button to end a call.
Press and hold this button for about 1-2
seconds to reject an incoming call.
When there is an incoming call, press
this button twice to switch the audio
between the phone and headphones.
Press this button briefly to increase the
audio level of the headphones.
Press and hold this button for about 1-2
seconds to play the Next track.
Press this button briefly to decrease the
audio level of the headphones.
Press and hold for about 1-2 seconds to
play the Previous track.