Experience superior audio clarity with the Soundcore Liberty 4 NC earbuds, engineered to reduce ambient noise by up to 98.5% for an undisturbed listening session. The adaptive noise cancelling technology intelligently adjusts to your surroundings and ear shape, ensuring optimal quiet whether you are commuting or working in a busy café.
Featuring 11mm custom-tuned drivers and LDAC technology, these earbuds deliver Hi-Res wireless audio with three times more detail than standard Bluetooth. With a 10-hour playtime extending to 50 hours via the charging case, plus fast charging and wireless charging support, they are built to keep your soundtrack going all day long.
Key Features
Brand
Soundcore by Anker
Model Number
A3947H21
Color
Clear White
Noise Cancellation
Adaptive ANC 2.0, up to 98.5% noise reduction
Driver Size
11mm
Audio Codec
LDAC, Hi-Res Wireless Audio
Sound Customization
HearID 2.0, 22 EQ presets, fully adjustable EQ
Playtime (Earbuds)
10 hours
Playtime (With Case)
50 hours
Fast Charging
10 minutes for 4 hours of playtime
Wireless Charging
Yes
Bluetooth Version
5.3
Water Resistance
IPX4
Microphone
6 microphones with AI algorithm
Multi-Point Connection
Yes
Wearing Detection
Yes
Control Type
Touch Control
Form Factor
In-Ear
Connectivity
True Wireless
Highlights
Key Features
Compatibility
Compatible with any Bluetooth-enabled device, including iOS, Android, Windows, and macOS systems. Supports multi-point connection to pair with two devices simultaneously.
How to use
Remove the earbuds from the charging case to power them on and initiate pairing. Use the touch controls on each earbud to manage playback, calls, and noise cancelling modes. Download the Soundcore app to access HearID 2.0, EQ customization, and firmware updates.
Warranty
• 12 Months Limited Warranty* * Warranty becomes null and void from electrical & power surges or power related issues.
What's included
What’s In The Box • Liberty 4 NC • Charging Case – Extends Battery Life to 50 Hours • XS/S/M/L Ear Tips – M Pre-Installed • USB-C Charging Cable • User Manual
Frequently asked questions
How effective is the noise cancellation on the Liberty 4 NC?
The Liberty 4 NC earbuds feature Adaptive ANC 2.0 that can reduce ambient noise by up to 98.5%. The system automatically adjusts to your ear canals and the surrounding environment for maximum quiet.
What is the battery life and charging time for these earbuds?
The earbuds provide up to 10 hours of playtime on a single charge, with the charging case extending total battery life to 50 hours. A quick 10-minute charge delivers up to 4 hours of listening, and the case supports wireless charging.
Can I customize the sound profile of the Liberty 4 NC?
Yes, you can use the HearID 2.0 feature to create a personalized sound profile. The earbuds also offer a fully adjustable EQ and 22 preset sound modes to match your audio preferences.
What is included in the box with the Liberty 4 NC?
The package includes the Liberty 4 NC earbuds, a wireless charging case, XS/S/M/L ear tips (with size M pre-installed), a USB-C charging cable, and a user manual.
