1. Introduction
Thank you for choosing the Anker Soundcore Liberty 4 NC Wireless Earbuds. This manual provides essential information on how to set up, operate, and maintain your earbuds to ensure optimal performance and longevity. Please read this manual carefully before use and keep it for future reference.
2. Safety Information
To prevent damage or malfunction, and to ensure your safety, please read all safety information carefully before using this product.
- Do not expose the earbuds or charging case to extreme temperatures (below 0°C or above 45°C).
- Avoid using the device during a thunderstorm to prevent electric shock.
- Do not use corrosive cleaner to clean this product.
- Do not disassemble or modify the product.
- Keep out of reach of children.
- Prolonged exposure to high volume levels may cause hearing damage. Adjust volume to a moderate level.
3. Package Contents
- Anker Soundcore Liberty 4 NC Wireless Earbuds
- Charging Case
- USB-C Charging Cable
- Multiple Sizes of Ear Tips
- Quick Start Guide
4. Product Overview
The Anker Soundcore Liberty 4 NC earbuds are designed for comfort and superior audio performance. Below is an image of the earbuds and their charging case.
Image: Anker Soundcore Liberty 4 NC Wireless Earbuds in their open charging case, showcasing the blue color and sleek design.
5. Setup
5.1 Charging
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case.
- Connect the charging case to a power source using the provided USB-C cable. The LED indicator on the case will show charging status.
- A full charge typically takes approximately 2 hours for the case and earbuds.
Image: Illustration showing the battery life of the Anker Soundcore Liberty 4 NC earbuds: 10 hours on a single charge and 50 hours with the charging case.
5.2 Bluetooth Pairing
To pair your earbuds with a device:
- Open the charging case. The earbuds will automatically enter Bluetooth pairing mode (LEDs will flash white).
- On your device, enable Bluetooth and search for "Soundcore Liberty 4 NC".
- Select the earbuds to connect. Once connected, the LEDs on the earbuds will turn off.
5.3 Fitting the Earbuds
For optimal sound quality and noise cancellation, it is crucial to choose the correct ear tip size and ensure a proper fit.
- Select the ear tips that provide the most comfortable and secure fit.
- Insert the earbuds into your ear canals and gently twist them until they feel snug and sealed.
6. Operating
6.1 Controls
The earbuds feature touch controls for various functions:
| Action | Function |
|---|---|
| Single Tap (Left/Right) | Play/Pause, Answer/End Call |
| Double Tap (Right) | Next Track |
| Double Tap (Left) | Previous Track |
| Press and Hold (Left/Right) | Switch Noise Cancellation Modes |
| Triple Tap (Left/Right) | Activate Voice Assistant |
6.2 Noise Cancellation and Transparency Modes
The Liberty 4 NC features advanced noise cancellation technology that can reduce up to 98.5% of external noise. It also offers an adaptive noise cancellation feature that adjusts to your environment.
Image: A detailed diagram illustrating the internal components of the Anker Soundcore Liberty 4 NC earbud, emphasizing its 98.5% noise reduction capability.
To switch between Noise Cancellation, Normal, and Transparency modes, press and hold the touch area on either earbud. You can customize these modes further using the Soundcore app.
6.3 High-Resolution Audio and Sound Customization
Experience crisp, high-resolution audio with 11mm custom drivers and LDAC technology, which transfers 3 times more data than standard Bluetooth.
Image: Two Anker Soundcore Liberty 4 NC earbuds floating above a blue, wavy surface, with text highlighting "Crisp, Hi-Res Sound" and the LDAC Hi-Res Audio Wireless logo.
Use the Soundcore app to access HearID 2.0 for a personalized sound profile or choose from 22 preset EQ settings to match your audio preferences.
6.4 Making Calls
The earbuds are equipped with 6 microphones to ensure clear calls by amplifying your voice and reducing background noise.
Image: A person wearing an Anker Soundcore Liberty 4 NC earbud while holding a smartphone, with text indicating "6 Mics for Clear Calls" and describing how they amplify voice and reduce background noise.
- Answer/End Call: Single tap either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
7. Maintenance
7.1 Cleaning
Regular cleaning helps maintain sound quality and hygiene.
- Use a soft, dry, lint-free cloth to clean the earbuds and charging case.
- Gently remove any earwax or debris from the ear tips and speaker mesh using a small brush or cotton swab.
- Do not use harsh chemicals or abrasive materials.
7.2 Storage
When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Store in a cool, dry place away from direct sunlight.
- If storing for an extended period, charge the earbuds and case at least once every 3 months to preserve battery life.
8. Troubleshooting
If you encounter issues with your earbuds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are in pairing mode. Turn off and on Bluetooth on your device. Try resetting the earbuds (refer to Soundcore app for instructions). |
| No sound from one earbud | Place both earbuds back in the case, close it, then open it again. Check earbud battery levels. |
| Poor sound quality | Ensure ear tips provide a good seal. Clean ear tips and speaker mesh. Try different EQ settings in the Soundcore app. |
| Charging issues | Ensure charging cable is securely connected. Try a different USB-C cable or power adapter. Clean charging contacts on earbuds and case. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Liberty 4 NC |
| Item Model Number | A3947 |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Noise Control | Active Noise Cancellation |
| Ear Placement | In Ear |
| Headphones Form Factor | In-Ear |
| Included Components | Ear pads |
| Color | Blue |
| Product Dimensions | 5.38 x 11.68 x 5.38 cm; 40 grams |
| Manufacturer | Soundcore |
| First Available Date | September 7, 2023 |
10. Warranty and Support
Anker Soundcore products come with a limited warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official Soundcore website.
If you experience any issues or have questions regarding your Anker Soundcore Liberty 4 NC earbuds, please contact Soundcore customer support:
- Online Support: Visit Soundcore's official website for FAQs, troubleshooting guides, and contact options.
- Email Support: Refer to your product packaging or the Soundcore website for the appropriate customer service email address.
Please have your model number (A3947) and proof of purchase ready when contacting support.
