Soundcore AK-A3910011 Liberty Air 2 Ear Wireless Headphones
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 use.
- 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.
Powering On/OffOpen 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.
NOTE: To manually power on, tap and hold the touchpad on either earbud for 2 seconds until the LED indicator flashes white once.
Pairing
True Wireless Stereo ConnectionOpen the charging case, the earbuds will automatically power on. The right earbud will automatically connect with the left earbud.
LED indicators (Earbuds)
| Breathing white | TWS connecting |
| Steady white for 1 second | TWS connected |
Bluetooth Pairing with your DeviceThe 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-up.
LED indicators (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 pops out. Don’t worry and it will not influence the 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.
- 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
- Choose the EarTips that fit your ears best.
- Insert the earbuds into the inner canal of your ears.
- Turn and find the most comfortable position.
Controls
All of the controls in stereo mode can be customized in the Soundcore App.
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 assistant software |
Soundcore App
NOTE: Make sure the earbuds firmware is always up-to-date 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.
Reset
Reset the earbuds if the earbuds cannot connect properly with each other or with your device.
1. Place the earbuds into the charging case and make sure they are being charged.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.
Specifications
NOTE: Specifications are subject to change without notice.
Input 5 V 500 mARated output power 5 mW @ 1% THDBattery capacity 55 mA x 2 (earbuds); 500 mA (charging case)Charging time 1.5 hours (for earbuds); 2 hours (for charging case via USB); 3.5 hours (for charging case via wireless charger)Playtime(varies by volume level and content) 7 hours (Totally 28 hours with the charging case)Driver size 6mm diamond-inspired driver x 2Frequency response 20 Hz – 20 kHzImpedance 16 ΩBluetooth version V 5.0Bluetooth range 10 m / 33 ft
Qualcomm®aptX ™ Technical specificationsCompression ratio: 4:1Word Depth: Support 16 bit and 24bitDecoding delay: Sample Rate 48kHZ<2msDynamic range: 16bit>92dB, 24bit>120dBData rates: 352kbpsDecode 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.
References
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