1. You can check if earbuds  is with power, if not ,please charge it fully before

   turning it on.

2.Please turn on the earbuds  follow the manual.

3.Please long press the power on/off key of the earbuds  for 8-10S and then normally

 press the power on/off key to turn on.

1. Please kindly check the mobile phone’s noise suppression function.

2. Please kindly check if the bluetooth earbuds and mobile  phones 

distance is too far.if too far,please short it to try again.

3.Please kindly confirm if there is an electromagnetic radiation 

surrounding environment.

1.Use the original cable, one side connect with earbuds, the other side connect 

with PC/Table/power bank. When charge, the charging LED light will be on.

2.Please make sure the output voltage should less than 5V , and the output current

should be less than 2A; otherwise the earbuds will be shortcut or burned. It is 

better use the 3.7/1A to charge.

3.Usually it will table about 2 hours to charge.

If the bluetooth earbuds can be upgraded?

1.Please kindly check if the bluetooth earbuds is on mute

2. Please check if bluetooth earbuds and phone  is connected well.

3.Then confirm if the distance between earbuds and phone is too far 

 or there are interference surrounded.

4.Please make sure the earbuds is not connected by other phone or 

 devices.

How to contact with computer? 

1.Normally bluetooth can not be upgraded, as the bluetooth chipset is ROM chipset.

2.Mifo high level earbuds with upgraded service, please check the models you buy

3.When upgrading, please operate follow the guideline, otherwise it may be failed 

on upgrading.

1.First check if the computer with bluetooth function, if not, please

buy a bluetooth adaptor before connect

2.Install bluetooth driver into computer

3.If all prepared well, you can connect earbuds with PC

If the computer with bluetooth function, just search and connect .

How to connect earbuds with bluetooth devices

( smart phones/tablet)?

1.Restart the bluetooth earbuds.

2. Please kindly check the compatibility of the mobile phone and calling 

communication quality.

3. Then confirm if the distance between earbuds and phone is too far or  

there are interference surrounded.If too far or there are interference, the signal 

will be not stable.

4.Please don’t stay in the signal reflective environment.

5.If tried all these still with problem,please change a phone to try.

1.Power on, the earbuds will enter into pairing mode.

2.Turn on the bluetooth function on bluetooth device, search the earbuds, 

find the mode name and click to pairing.

3.If need input the password, please input 1234 or 0000

4.If the headset with NFC function, please use the phone’s NFC 

place to touch earbuds’ NFC place.