Functions Status of headphone Operation
Redial Last
number
Standby mode Short press MFB twice
quickly
Volume up Conversation mode Short press Volume +
button
Volume down Conversation mode Short press Volume -
button
Answering calling Ringing Short press MFB
button
End call Conversation mode Short press MFB
button
Reject calling Ringing Press and hold MFB
button for one second,
and release until you
hear indication sound
Transfer the
calling between
headset and Bluetooth devices
Conversation mode Press and hold the MFB
button for 3 seconds
can transfer the conversation from headset
to mobile phone. Then
press and hold the MFB
button for 3 seconds to
transfer the conversation back from mobile
phone to headphone.

Notes:

  • Not all the mobile phones support all the functions listed above. Please
    refer to the instruction of your mobile phone.
  • Some functions and indication tones may vary with mobile phones