Soundcore Liberty 4 NC User Manual

About the Soundcore Liberty 4 NC

This document is the user manual for the Soundcore Liberty 4 NC true wireless earbuds. It provides comprehensive instructions on setup, usage, features, and safety information.

Product Type: True Wireless Earbuds

Model: Liberty 4 NC (A3947)

1. APP Integration

The soundcore app enhances your experience with features like 3D surround sound, ambient sound modes, HearID sound customization, gaming mode, and firmware updates.

Download Options:

• Available on Google Play (Android devices).
• Available on the App Store (iOS devices).

Note: If earbuds fail to connect with the app, try re-installing or updating the app.

Diagram Description: Visuals show the soundcore app icon, search bar, and buttons to download from Google Play and the App Store, along with a QR code for downloading the app.

2. Wearing Your Earbuds

Proper fit is crucial for optimal sound and noise cancellation performance.

Ear Tip Sizes: The earbuds come with multiple ear tip sizes (XS, S, M, L). Choose the size that best fits your ears.

Fit Test: Use the soundcore app to perform a fit test to ensure the best ANC performance.

Diagram Description: An illustration shows the charging case and two earbuds. Another diagram displays four different sizes of ear tips labeled XS, S, M, and L. A third diagram shows how to insert the earbuds into the ear, with an indication of the correct fit.

3. Charging

Ensure your earbuds and charging case are fully charged before first use.

Steps:

1. Tear off the insulation sticker on the earbuds.
2. Place the earbuds in the charging case and close it. Ensure the earbuds and USB-C charging port are dry.
3. Connect the charging case to a power source using a certified USB-C cable or place it on a wireless charger.

Battery Level Indicators (Charging Case):

Charging Time: Approximately 3 hours for a full charge. 10 minutes of charging provides about 4 hours of playtime.

Diagram Description: Diagrams illustrate the process of placing earbuds in the case, connecting a USB-C cable, and wireless charging. Another diagram shows LED indicators for battery levels.

4. Powering On & Pairing

The earbuds automatically power on and enter pairing mode when the charging case is opened.

Steps:

1. Open the charging case.
2. The earbuds will automatically power on and enter Bluetooth pairing mode.
3. Select "soundcore Liberty 4 NC" from your device's Bluetooth list to connect for the first time.

LED Indicators (Earbuds/Case):

• Short Light (breathing): < 20%
• Long Light (breathing): 20% - 60%
• Long Light (steady): 60% - 100%

Pairing Mode: Indicated by flashing white LEDs.

Diagram Description: Illustrations show the earbuds being removed from the case, the case open, and the LED indicators for pairing status.

5. Dual Connections

Connect to two Bluetooth devices simultaneously.

Option A: Manual Pairing with a Second Device

1. Wear both earbuds.
2. Press and hold the touchpad on both earbuds simultaneously for 3 seconds.

Option B: Using the soundcore App

1. Navigate to Settings in the soundcore app.
2. Select "Dual Connections" > "Connect New Device".

Diagram Description: Diagrams show earbuds connected to two devices (e.g., phone and laptop) and illustrate the 3-second press-and-hold gesture on the earbud touchpads.

6. Manual Pairing

Manually enter Bluetooth pairing mode.

Steps:

1. Place the earbuds in the charging case and leave the case open.
2. Press and hold the charging case button for 3 seconds until the LED indicators flash white rapidly.

Diagram Description: Illustrations show the earbuds placed in the open charging case, and the charging case button being pressed, with LED indicators flashing.

7. Controls

Customize your listening experience with touch controls.

TWS (True Wireless Stereo) Mode:

Mono Mode:

Note: Controls can be customized further in the soundcore app.

Diagram Description: Detailed diagrams illustrate the touch controls for both TWS and Mono modes, showing icons for play/pause, skip track, and ANC/Transparency switching, along with the corresponding tap and hold actions.

8. Ambient Sound Modes

Choose the sound mode that suits your environment.

• Noise Cancellation: Blocks out external noise for immersive listening.
• Normal: Standard audio playback.
• Transparency: Allows ambient sounds to be heard, keeping you aware of your surroundings.
• Adaptive ANC: Optimizes noise cancellation based on your ears and environment.

Diagram Description: Screenshots from the soundcore app show the selection interface for Ambient Sound modes, including Noise Cancellation, Normal, and Transparency options, with Adaptive ANC highlighted.

9. LDAC Audio Quality

Experience high-resolution audio with LDAC codec.

• Requires devices powered by Android 8.0 or later.
• LDAC provides higher quality sound but may increase power consumption and reduce playtime.
• Enable LDAC in a low-interference environment for a stable connection.

To Enable LDAC:

1. Go to Settings in the soundcore app.
2. Select "Sound Mode".
3. Choose "Preferred audio quality" and select LDAC.

Note: LDAC may not be supported when connected to two devices. You may be prompted to update firmware.

Diagram Description: App screenshots illustrate the process of selecting LDAC as the preferred audio quality, showing the "Sound Mode" settings and the "Preferred audio quality" option.

10. Wearing Detection

Intelligent playback control based on earbud detection.

• Playback automatically pauses when an earbud is removed.
• Playback resumes when the earbud is worn again.
• Wearing either earbud can automatically answer an incoming call.

Diagram Description: Diagrams show an earbud being removed from the ear, pausing playback, and then being reinserted, resuming playback. Another diagram shows an earbud being worn to answer a call.

11. Powering Off

The earbuds power off automatically when placed in the charging case.

• Return earbuds to the charging case and close it.
• They will automatically power off after 30 minutes if not connected to a device.

Note: The auto-power off duration can be adjusted in the soundcore app.

Diagram Description: Illustrations show the earbuds being placed back into the charging case and the case being closed.

12. Resetting the Earbuds

Reset the earbuds if you experience pairing issues or other problems.

Steps:

1. Place both earbuds in the charging case and leave the case open.
2. Press and hold the charging case button for 10 seconds until the LED indicators flash white rapidly three times.

Note: Before resetting, delete the pairing history from your Bluetooth device.

Diagram Description: Diagrams show the earbuds in the open charging case, and the charging case button being pressed for an extended duration, with LED indicators flashing.

13. LED Light Guide

Understand the status of your earbuds and charging case through LED indicators.

Battery Level During Charging (Charging Case):

LED Status Indicators (Earbuds/Case):

Diagram Description: Tables and diagrams illustrate various LED light patterns and their corresponding meanings for battery status and operational modes.

14. Firmware Update

Keep your earbuds up-to-date with the latest firmware.

You will be notified in the soundcore app when a new firmware version is available. Ensure the earbuds are in the charging case with the case open during the update process. Keep the earbuds charged and avoid using them during the update.

Diagram Description: App screenshots show the notification for a firmware update and the update progress screen.

15. Specifications

Technical details for the Soundcore Liberty 4 NC earbuds.

16. Support & FAQs

For FAQs, more information, and support, please visit:

soundcore.com/support

Diagram Description: Icons representing support resources like a manual, FAQ, video, and a laptop with a download arrow are depicted.

17. Safety Instructions

Please read and follow these important safety instructions to ensure safe and proper use of the product.

• Avoid dropping the product.
• Do not disassemble the product.
• Avoid extreme temperatures.
• Use only original or certified cables for charging.
• Do not wear the product while it is charging.
• Do not use corrosive cleaners or oils for cleaning.
• Do not use the product outdoors during thunderstorms.
• Keep out of reach of children; the product contains small parts that may be a choking hazard.
• Do not expose the battery to excessive heat (sunshine, fire, etc.).
• Avoid environments with extreme temperatures or high humidity.
• Ensure the charging port is dry before charging.
• Refer to the user manual for specific waterproof levels (IPX4, IPX5, IPX6). Do not submerge in water.

Hearing Safety:

• Do not listen at high volumes for extended periods to avoid hearing damage.
• Ensure the volume is not so high that you cannot hear your surroundings.
• Do not use earphones while driving.
• Use caution or temporarily discontinue use in potentially hazardous situations.

Magnetic Field Warning:

The product generates magnetic fields that may interfere with pacemakers, defibrillators, or other implants. Maintain a distance of at least 10 cm (3.94 inches) between the earbuds/charging case and any implanted medical devices.

Diagram Description: Icons representing safety warnings such as "do not drop," "do not disassemble," "extreme temperatures," "use certified cables," "do not wear while charging," "no corrosive cleaners," "no thunderstorms," "keep away from children," "battery heat warning," "extreme temperature/humidity warning," "dry charging port," and waterproof ratings are depicted. A hearing safety icon and a magnetic field warning icon are also present.

18. Regulatory Information & Declarations

CE Marking: This product complies with radio interference requirements of the European Community.

Declaration of Conformity (EU): Anker Innovations Limited declares compliance with Directive 2014/53/EU. Full text available at soundcore.com.

UK Declaration of Conformity: Anker Innovations Limited declares compliance with Radio Equipment Regulations 2017. Full text available at soundcore.com.

Technical Details:

• Maximum Output Power: 9.0dBm
• Frequency Band: 2.4G band (2.402GHz-2.480GHz)

Recycling Information: This symbol indicates the product must be recycled separately from household waste. Follow local rules for disposal of products and rechargeable batteries.

Battery Safety: Symbol indicates separate collection for batteries. Danger of explosion if incorrectly replaced. Avoid disassembly, crushing, puncture, short circuits, extreme temperatures, or disposal in fire/water. Replace only with specified batteries.

Battery Temperature Limits:

• During use: max 40°C (104°F)
• Storage: -20-45°C (-4-113°F)
• Transportation: 5-35°C (41-95°F)

FCC Statement: This product complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) no harmful interference, and (2) acceptance of any received interference. Warning: Unauthorized modifications may void the user's authority to operate the equipment.

IC Notice to Canadian Users: This device complies with Industry Canada licence-exempt RSS standards. Operation is subject to two conditions: (1) device may not cause interference, and (2) device must accept any interference, including interference that may cause undesired operation.

Diagram Description: Symbols for recycling, battery safety, and regulatory compliance (CE, FCC, IC) are present.