User's Guide

Play / Pause
To play videos or music from your cell phone, single click on MFB once
to play. Single click on MFB again to pause the video or music.
Volume up / down
Volume up: Press and hold "+" until your desired volume level is
reached.
Volume down: Press and hold "--" until your desired volume level is
reached.
Go to next / previous
song
Next song: Click "+" once.
Previous song: Click "--" once.
Answer a call Single click on MFB once.
End a call To end a call, single click on MFB once.
Reject a call Press and hold MFB for about 2 seconds.
Last number redial Double click MFB when the earbud is on standby.
Wake up voice
assistant
In music and standby mode, press and hold MFB for about 2 seconds.
This function works only if your cell phone has voice control function,
please refer to the instructions of your cell phone for details.
Earbud status Guide:
LED Indicator Voice Prompt Earbud Status
Blue light flashing Power On Power on
Red light flashing Low Battery Power off
Blue & red lights flashing alternately N/A In pairing mode
Blue light flashing intermittently Connected Pairing successful
Blue light flashing when the earbud is powered on Incoming call number Incoming call
Troubleshooting:
Pairing fails ---
Turn off the earbuds and repeat steps 1–5 in “Pairing the earbuds with your cell phone“ section.
If pairing still fails, check the following ---
 Make sure the earbuds and your Bluetooth device are next to each other and there are no
obstacles in between.
 There is no signal interference nearby (See “Connection is not stable” below for troubleshooting).
 Reboot the Bluetooth device.