Soundcore

Soundcore by Anker Liberty 4 NC Wireless Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling to Ears and Environment, Hi-Res Sound, 50H Battery, Wireless Charging, Bluetooth 5.3

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Last updated Jun 7, 2026 at 8:17pm
Soundcore

About this product

About this item Reduce Noise By Up to 98.5%: Liberty 4 NC noise cancelling earbuds have a high sensitivity in-ear sound sensor, an oversized driver, and an innovative noise isolation chamber that cancels up to 98.5% of noise for peaceful travel.
Noise Cancelling Adapts to Ears and Environments: Adaptive ANC 2.0 makes real-time calculations and adjusts to your ear canals and external environment for maximum quiet amongst the hustle and bustle.
Crisp Sound with 3× More Detail: 11mm custom-tuned drivers deliver consistently crisp and detailed sound. Experience Hi-Res wireless audio and LDAC technology that transfers 3× more data than regular Bluetooth—bringing wireless music to life.
Sculpt Your Sound Profile: Not everyone listens the same, so use HearID 2.0 to find the perfect sound profile for you. If you want to mix it up, the EQ is fully adjustable or choose from 22 presets to match your audio.
Long-Lasting Battery Life: In normal mode, enjoy 10 hours of playback on a single charge or up to 50 hours with the case. With ANC on, get 8 hours between charges, extendable to 40 hours with the case.
Designed for Simple Connections: Liberty 4 NC enables quick, effortless Bluetooth pairing with Android devices, auto-play and pause on wear, and multi-point connection with Bluetooth 5.3.
IPX4 Water-Resistant: Don't let a sudden downpour or an accidental spill ruin your commute. Liberty 4 NC wireless noise cancelling earbuds come with IPX4 water-resistance to give you peace of mind during your travels.
6-Mic AI Clear Calls: Don't be that person who shouts over the phone. 6 beamforming mics and an AI algorithm amplify your voice while reducing background noise, so you can talk on the phone without the whole car listening.
Note: Please refer to our FAQ and How-To-Video for additional tips on pairing your Liberty 4 NC earbuds with a Samsung Galaxy S23 series mobile phone.
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Specifications

Brand Name Soundcore
Model Number A3947
Model Name Liberty 4 NC
Built-In Media Charging Case - Extends Battery Life to 50 Hours, Liberty 4 NC, USB-C Charging Cable, XS/S/M/L Ear Tips - M Pre-Installed
Age Range Description ALL
Warranty Description 18-month
Customer Package Type Rigid Charging Case
Number of Items 1
Series Number 3947
UPC 194644133962 194644132286 194644132101
Global Trade Identification Number 00194644132286
Manufacturer Anker
External Testing Certification /
Is Autographed No
Best Sellers Rank #1,061 in Electronics ( See Top 100 in Electronics ) #125 in Earbud & In-Ear Headphones
ASIN B0BZV7M23Q
Customer Reviews 4.2 out of 5 stars
Headphones Ear Placement In Ear
Headphone Folding Features In Ear
Earpiece Shape Rounded tips
Color Navy Blue
Style Name Classic
Carrying Case Color Blue
Item Weight 0.1 Pounds
Unit Count 1.0 Count
Impedance 10 Ohms
Noise Control Active Noise Cancellation
Frequency Response 20 KHz
Audio Driver Type Dynamic Driver
Audio Driver Size 11 Millimeters
Frequency Range 20-20KHZ
Enclosure Material PC+ABS
Specific Uses For Product Travel,Music,Calling
Antenna Location Calls, Listening to music
Compatible Devices Cellphones, Desktops, Laptops, Tablets
Cable Features Without Cable
Water Resistance Level Waterproof
Carrying Case Material Plastic
Additional Features Fast Charging, Multipoint Pairing, Noise Cancellation, Wireless Charging
Total USB 2.0 Ports 1
Headphone Jack No Jack
Connectivity Technology Wireless
Wireless Technology Bluetooth
Bluetooth Range 100 Meters
Bluetooth Version 5.3
Control Type Media Control
Control Method Touch
Controller Type Touch
Battery Average Life 30 Hours
Carrying Case Battery Capacity 800 Milliamp Hours
Carrying Case Battery Average Life 50 Hours