Press and hold the power button for 3s with the digital display flashing power on.
Press and hold the power button for 4s with digital display going out power off Power on the earphone and it will automatically enter the pairing state with the digital display flashing to pairing.
Search and click "RB-s3" to connect Bluetooth, If Bluetooth connect successfully with digital display stay on for 5s.
Press once the MFB button to pause/ play.
To answer an in coming call and end call, press one the MFB button, To reject the call ,press and hold the MFB button.
Double press the MFB button to recall last dial.
Press and hold (+) button for next song and press and hold the (-) button for previous song,
Short press the (+) button to increase the volume up.
Short press the(-) button to decrease the volume down, Press and hold the MFB button for 3s to activate voice assistant, Double press the power button to switch modes,
Power on before wireless connection, double press the MEB to switch between Chinese and English,
During charging, the digital display flashes.
After a full charge, the digital display goes off.
?????????????????????????? Refund ?????????????????????????? Refund ?????????????????????? Payment Channel ?????????? Business Day 7 Days ?? Business Day 15 Days ??????????????????????
???????????????? ?????????????????????? Factory Error ?????????????????????? Warranty Card? ???????????????????????????????? Service Center ???? Service ?????????????????????
Warranty Card? ???????????????????????? Service ?????????????????????????????????
Error ?????????? Service Center ????????????????? Business Day 7 Days ?????? Service ???????????????????????