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SoundCore Liberty Air A3902 Manual

In this manual for the SoundCore Liberty Air A3902 earbuds (manufactured by Anker ) you can learn about all the various features. These features include the answering of phone calls and controlling of playback direct from the earbud buttons themselves. Also included is how to pair via Bluetooth - a common issue among owners of the SoundCore A3902 earbuds.

SoundCore Liberty Air A3902 Manual Image

Manufactured by Anker

(all Anker manuals)

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Soundcore Liberty Air

Product Number A3902

Bluetooth Earphones / Soundcore Liberty Lite

51005001204 V01

In The Box

Liberty Air Headphones A3902 Whats In The Box

Button operation of the headphones

Button location on earbuds


Inserting the earphone into your ear diagram

  1. Insert the earbuds into the inner canal of your ears.
  2. Turn and find the most comfortable position.


Remove the film on the earbuds when taking them out of the charging case for the first time.

– Open or close the charging case to activate the LED battery indicator.

Charging indicators

Charging case indicator (When opened or closed)

Charging case indicators table

Earbud status indicator

Earbud status indicators

To preserve battery lifespan, fully charge at least once every 45 days.

Turn On / Off

1. The earbuds switch on automatically when taken out of the charging case. To manually switch on, tap the multi function touch pad on both your earbuds once.

Taking the earbuds out of the charger

ON Flashing white for 1 second (Earbud status indicator)

2. The earbuds switch off automatically when placed back in the charging case.

Placing the earbuds back into the case

OFF Flashing red for 1 second (Earbud status indicator)

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