Volume up
Continuously press the “+" button, the volume will go up.
Every single press of the “+" button, the volume will go up a scale, when a beep is heard from the
headphones, the volume reaches the maximum and will not go up any more.
Volume down
Continuously press the “—" button, the volume will go down.
Every single press of the “-" button, the volume will go down a scale, when a beep is heard from the
headphones, the volume reaches the minimum and will not go down any more.
Delete the pairing status
While the headphones are charging, press and hold the MFB for 4 seconds at the same time to delete
the pairing status.
Call transfer
Press MFB for 2 seconds to transfer the call from your headphones to your mobile phone (To use this
feature your mobile phone must support a call transfer function), Press and hold the MFB for 2
seconds to transfer the call from mobile to headphones.
Online standby
After starting the headphones, they will connect the last connected mobile device automatically, they
will then get into online standby status if it is with successful connection; or else it will turn off
automatically after 5 minutes.
NFC function
The NFC function provides you with an easy, safe and quick connection mode.