background image

  Reset

4

When two earphones can’t be paired, please see below methods 

to reset .

Delete the corresponding 

Bluetooth connection:"CARD20 

Pro

"

in the phone Settings

Put the earphone into charging 

case and keep it close

Take out two earphone separately 

and tap 5 times(separately or at 

the same time) within 40 seconds

Put two earphones into charging 

case and keep it close

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2-

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5-

Steps

Indicator Light

\

After closing, 

it shows red light

The red light of two 

earphones flash 3 times  

After closing,

it shows red light

Again put the earphones into 

charging case and keep it close

Take out two earphone separately 

and tap 5 times(separately or at 

the same time) within 40 seconds

It will be paired again 

with 30 seconds

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7-

The red light of 

earphones are bright 

for 3 seconds

After closing, 

it shows red light

When it's paired 

succefully, the blue 

light flashes quickly

  Indicator light description

5

Earphone

Power on

Call in

Red light first,

then lights go out

Red light first, 

then lights goes out

Blue light flash 

quickly

Power off

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