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Anker A3947H21 Sound Core Liberty 4 NC White | Technology Valley - Technology Valley
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Anker A3947H21 Sound Core Liberty 4 NC Wireless Earbuds White

EGP 5,350.00

  • Brand: Anker
  • Model: A3947H21 
  • Type: Wireless Earbuds
  • Noise Cancellation: Noise Reduction
  • Connectivity: Bluetooth 5.3
  • Compatibility: Multi Devices  
  • Color: White


  • 11mm extra large dynamic unit produces deep bass, clear and detailed mids and highs
  • SGS certified noise reduction, which can reduce external noise by up to 98.5%.
  • Adaptive ANC 2.0 automatically adjusts the noise reduction curve based on the user’s ear canal characteristics and external environment to provide users with the best noise reduction effect
  • Use a total of 6 noise-canceling microphones for a clear call experience
(1 product available)

SKU: A3947H21

Categories: Accessories, Mobile Accessories, Earbuds

Anker A3947H21 Sound Core Liberty 4 NC Wireless Earbuds Description  


airpods anker

6 microphone clear call   

6 beamforming microphones and AI algorithm reduce background noise, 

making the voice more prominent and making  calls clearer.  


soundcore earbuds   

10 hours/50 hours long battery life   

In standard mode, the earphones can support up to 10 hours of music playback on a single charge, 

and when connected to  the charging box, they can provide up to 50 hours of music playback.  



Noise reduction up to 98.5%   

Liberty 4 NC is equipped with high-sensitivity sound sensors, extra-large units, 

and a special sound-isolating chamber, which can reduce external noise by up to 98.5%.  

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Personalize your music   

HearID 2.0 adjusts your EQ curve according to the user's hearing sensitivity. 

You can also adjust the EQ curve by yourself,    

or choose from 22 built-in EQ curves for different music types.   

wireless earbuds


Control your soundscape   

take control of your ambient sound with 5 levels of noise cancelling   

2 transparency modes, and 4 modes for plane, train, bus, and taxi travel

wireless earphones

Clear and careful music   

It uses a special 11mm extra-large dynamic unit and has Hi-Res wireless audio, 

supporting LDAC technology to produce  deep bass and clear and detailed mids and highs.   


IPX4 water resistant against spills and rain.  



sculpt your prefect sound   

use hearID 2.0 to find the prefect sound profile for your ears, mix it up 

with a fully adjustable EQ, or choose from 22 presets  to much your audio

best earbuds


11mm drivers, wireless Hi-Res Audio and LDAC technology for clear sound.  

Anker Soundcore 4NC   

Ability to connect two devices to Liberty 4 NC simultaneously


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Anker A3947H21 Sound Core Liberty 4 NC Wireless Earbuds  - Technical Specifications

TypeWireless Earbuds
Dimensions57.2 x 57.2 x 30.5mm
Compatible withAndroid and IOS

Bluetooth Version

Bluetooth 5.3
Bluetooth transmission distanceup to 10 meters


6 microphone clear call
Noise cancellationSupport
Frequency response20 Hz - 20 kHz
Charging time3 hours / 10 minutes of use, 4 hours
InterfacesBluetooth, USB
Battery life50 Hours



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