SoundCore Liberty Air 2 True-Wireless Earbuds A3910 User Manual

: June 13, 2024
: Soundcore

Table of Contents

SoundCore Liberty Air 2 True-Wireless Earbuds A3910
Charging
Powering On/Off
Pairing
Bluetooth Pairing with your Device
Wearing
Controls
Soundcore App
Reset
Specifications
Support Videos
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SoundCore Liberty Air 2 True-Wireless Earbuds A3910

SoundCore Liberty Air 2 True-Wireless Earbuds

USER MANUAL

Charging

Open or close the charging case to activate the LED battery indicator.
Fully charge both the earbuds and the charging case before the first-time using.
To prevent damage, use the provided USB-C cable.
You can charge the charging case by using a certified wireless charger (not provided).
Fully dry off the earbuds and the USB port before charging.

Charging

Powering On/Off

Open the charging case, the earbuds will automatically power on.
Place the earbuds back into the charging case and close the case, the earbuds will automatically power off.

On/Off

To manually power on, tap and hold the touchpad on either one of earbuds for 2 seconds until the LED indicator flashes white once.
To manually power off, tap and hold touchpad on either one of earbuds for 8 seconds until the LED indicator flashes red once.

Pairing

True Wireless Stereo Connection

Open the charging case, the earbuds will automatically power on. The right earbud will automatically connect with the left earbud.

LED behaviour (Earbuds)

Breathing white	TWS connecting
Steady white for 1 second	TWS connected

Bluetooth Pairing with your Device

The earbuds will enter pairing mode when TWS connected or when powered on in mono mode. You are requested to confirm the connection when you see a pop-out screen.

Bluetooth Pairing

LED behaviour (Earbuds)

Rapidly flashing white	Bluetooth pairing
Slowly flashing white	Bluetooth connected

In the pairing process, some devices are incompatible with Qualcomm True Wireless Primary-Secondary dual pairing names, it may notice “connection unsuccessful” when you tap “Pair” or even no screen popped out. Don’t worry and keep using.
Once successfully paired, the primary earbud connects with your device and transfers signal to the secondary earbud, the latter one will not connect with your device. As a result, in the Bluetooth pairing list on your device, it may indicate that only one side is connected while the other side is not.

To pair with another Bluetooth device, place the earbuds back into the charging case and make sure they are being charged, keep the cover open, then press and hold the button on the bottom of the charging case for 3 seconds until the LED indicators on earbuds flash white rapidly.

pair with another Bluetooth

Each time you power on your Soundcore earphones, it will automatically connect to your last successfully connected device if available within the Bluetooth range.
Mono mode: When Bluetooth connected, you can use either one of the earbuds only by putting the other one back into the charging case and closing the cover.

Wearing

1. Choose the ear tips that fit your ears the best.
2. Insert the earbuds into the inner canal of your ears.
3. Turn and find the most comfortable position.

Controls

All of the controls in stereo mode can be customized in the Soundcore App.

MUSIC

Play / Pause| Tap twice ®
Auto pause| Automatically pause when removing either one or both earbuds off your ear. Tap twice to resume.
Next track| Tap twice (L)
Volume up / down| • The volume up / down controls can be customized in Soundcore App
• Control volume via the connected device

CALL

Answer / End a call| Tap twice (L/R)
Reject a call| Tap and hold for 2 seconds (L/R)
Auto Answer a call| Take earbuds out of the charging case

MICROPHONE

Activate Siri or other voice
assistant software| Tap and hold for 2 seconds (L/R)

Mono mode (controls in mono mode cannot be customized in the App)

Play / Pause	Tap twice

Answer / End a call
Reject a call| Tap and hold for 2 seconds
Activate Siri or other voice control software

Soundcore App

Make sure the earbuds firmware is always the most updated before using.
Download the Soundcore App for HearID, UI customization, EQ settings and earbuds firmware update.

HearID: HearID maps your personal hearing sensitivity at multiple frequencies and analyzes the results. It tailors the EQ settings and creates a personalized sound profile for you.
UI customization: In stereo mode, all of the controls can be customized in the App. In mono mode, the controls are fixed.
EQ settings: There’re more than 20 EQ settings you can choose in the App to optimize your experience while enjoying different music genres.
Earbuds firmware update: The earbuds firmware can be updated in the App. You will be informed once the new version of firmware is detected when you connect the earbuds with the App.

Download the Soundcore App for HearID, UI customization and EQ settings.

Download

Reset

Reset the earbuds if the earbuds cannot connect with each other properly or cannot connect with your device properly.

1. Place the earbuds into the charging case and make sure they are being charged.

Reset

2. Keep the charging case open, then press and hold the button on the bottom of the charging case for 10 seconds until the LED indicators on both earbuds flash red 3 times.
All the memory data will be cleared.

charging

Specifications

Specifications are subject to change without notice.

Input	5 V ==500 mA
Rated output power	5 mW @ 1% THD
Battery capacity	55 mA x 2 (earbuds); 500 mA (charging case)
Charging time	1.5 hours (for earbuds); 2 hours (for charging case via USB);

Qualcomm®aptX ™ Technical specifications
Compression ratio: 4:1
Word Depth: Support 16 bit and 24bit
Decoding delay: Sample Rate 48kHZ<2ms
Dynamic range: 16bit>92dB, 24bit>120dB
Data rates: 352kbps
Decode mode: Stereo

Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. aptX is a trademark of Qualcomm Technologies International Ltd., registered in the United States and other countries.