SoundCore Liberty Air X True-Wireless Earbuds A3902012 User Manual

: June 13, 2024
: Soundcore

Table of Contents

SoundCore Liberty Air X True-Wireless Earbuds A3902012
Charging
Turn On / Off
Pairing
Controls
Wearing
Reset
Specifications
Support Videos
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SoundCore Liberty Air X True-Wireless Earbuds A3902012

USER MANUAL

Product Number A 3902
Bluetooth Earphones / Soundcore Liberty Air X X51005001843 V02

Charging

– 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 case indicator (When opened or closed) Flashing white (for 5 seconds) Display power level

Slow flashing white (for 5 seconds) <5% power level
Steady white 5%~30% power level Steady white 30%~70% power level Steady white >70% power level

Charging case indicator (Connected to power source)

Steady white (for 1 second) Charging
Flashing white 0%~30% power level

Second LED indicator flashing white 30%~70% power level

Third LED indicator flashing white >70% power level Steady white Fully charged

Earbud status indicator Flashing red (once every minute) Low battery

Steady white Charging Off Fully charged

Turn On / Off

1. The earbuds switch on automatically when taken out of the charging case. To manually switch on, tap the multifunction touchpad on both your earbuds once.

ON == Flashing white for 1 second (Earbud status indicator)

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

OFF == Flashing red for 1 second (Earbud status indicator)

Pairing

1. True Wireless Stereo connection

Slow flashing white (Breathing-like)
Steady white (For 1 second)

True Wireless Stereo pairing mode
True Wireless Stereo connection is successful (the right earbud is connected to the left earbud).

Controls

R Tap the multi-function
2. Bluetooth connection (Device)
Enter pairing mode when earbuds are switched on.

Play / pause
2 R touchpad on the right earbud twice

Tap and hold the multi function touchpad on the track R

Tap and hold the multi function touchpad on the right earbud for 2 seconds left earbud for 2 secondsPrevious track 2”

Control volume via the earbud twiceAnswer / End call 2

Tap and hold touchpad on connected device Volume up / down
R Tap the multi-function touchpad on the right
2
R
earbud twiceAnswer / End call 2
Tap and hold touchpad on
right earbud for 2 seconds Reject call 2”
R Tap the multi-function
Put current call on hold
and answer incoming call
2
R
touchpad on right earbud twice
Tap and hold touchpad on
2”
Rapidly flashing white Pairing mode
R
right erbud for 2 secondsSwitch between held call and active call
Transfer a call between
Tap and hold touchpad on
Slow flashing white Connected to a device
2”
right erbud for 2 seconds Slow flashing white (Right
headphones and mobile phone
earbud only) On a call
05 English English 06
Slow flashing white (Right
earbud only) Incoming call
3. Tap and hold the multifunction touchpad of the earbud (currently in the charging case) for 7 seconds until the LED indicator flashes red 3 times. This clears the pairing information. 4. Put the other earbud in the charging case and repeat step 3

Tap the multifunction touchpad on the left earbud twice

Wearing

1. Insert the earbuds into the inner canal of your ears.

2. Turn and find the most comfortable position.

Reset

How to reset the earbuds if you can only hear sound on one side:

1. Delete “Soundcore Liberty Air X” from your device’s Bluetooth list, and turn off the Bluetooth on your device.

2. Place one earbud in the charging case and make sure it’s charging.

The LED indicator will be solid white.

Activate Siri / Other voice control software
5. After the pairing information is cleared, take both earbuds out of the charging case and place them next to each other. If TWS pairing is successful the LED indicator on the left earbud will start flashing slowly and the LED indicator on the right earbud will flash rapidly.

6. Turn on Bluetooth on your device and search for “Soundcore Liberty Air X” to connect.

Specifications

Specifications are subject to change without notice.

Input : 5 V ==0.5 A
Charging time: 2 hours
Playtime (varies by volume level andcontent): 7 hours Weight (product net weight) 55 g / 1.9 oz
Impedance : 16 Ω
Driver (full range) : 6 mm × 2
Frequency response: 20 Hz – 20 KHz
Bluetooth version: V 5.0
Range :10 m / 33 ft