SoundCore Liberty Air True-Wireless Earbuds A3902 User Manual
- June 13, 2024
- Soundcore
Table of Contents
SoundCore Liberty Air True-Wireless Earbuds A3902
USER MANUAL
Product Number A3902 , Bluetooth Earphones/ Soundcore Liberty Air 57005001287 V03
Wearing
1. Insert the earbuds into the inner canal of your ears.
2. Turn and find the most comfortable position.
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)
Charging case indicator (Connected to power source)
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 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 rec for 1 second (Earbud status indicator)
Pairing
1. True Wireless Stereo connection
| Slow flashing white (Breathing-like) | True Wireless Stereo pairing mode |
|---|---|
| Steady white (For 1 second) | True Wireless Stereo connection is successful |
(the right earbud is connected to the left earbud).
2. Bluetooth connection (Device)
Enter pairing mode when earbuds are switched on.
| Rapidly flashing white | Pairing mode |
|---|---|
| Slow flashing white | Connected to a device |
Controls
Reset
How to reset the earbuds if you can only hear sound on one side:
1. Delete “Soundcore Liberty Air” 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.
3. Tap and hold the multifunction touch pad 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.
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? to
connect.
Specifications
Specifications are subject to change without notice.
| Input | 5V=O.5A |
|---|---|
| Charging time | 2 hours |
| Playtime (varies by volume level and content) | 5 hours |
| Weight (product net weight) | 55 g/1.9oz |
| Impedance | 160 |
| Driver (full range) | 6mmx2 |
| Frequency response | 20 Hz-20 KHz |
| Bluetooth version | v 5.0 |
| Range | 10m/33 ft |
Support Videos
Soundcore Liberty Air Or Liberty Air X Quick Start Guide
How to Clean Soundcore Liberty Air and Liberty Air X
How to reset Liberty Air (for earbuds with a serial number printed on the charging cable)?
How to reset Liberty Air and Liberty Air X (for earbuds with a serial number printed inside the charging case)?
How to Clean Your Headphones
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