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• 11mm large dynamic unit produces deep bass, clear and detailed mid-high tones
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• SGS certified noise reduction, can reduce external noise by up to 98.5%
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• Adaptive ANC 2.0 automatically adjusts the noise reduction curve according to the user's ear canal characteristics and external environment to provide users with the best noise reduction effect
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• Supports LDAC™️ audio, Hi-Res Audio Wireless certified
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• Use a total of 6 noise-canceling microphones for a clear call experience
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• Supports connecting two devices at the same time, easy switching
Noise reduction up to 98.5%
Liberty 4 NC is equipped with a highly sensitive sound sensor, a super large unit, and a specially designed soundproof chamber. It can reduce external noise by up to 98.5%.

Better intelligent noise reduction
Adaptive ANC 2.0 fully adaptive active noise reduction automatically adjusts the noise reduction curve according to the user's ear canal characteristics and real-time external environment to provide users with the best noise reduction effect.

Clear and detailed music
Use a special 11mm The extra-large dynamic unit is equipped with Hi-Res wireless audio and supports LDAC technology, producing deep bass and clear and detailed mid- and high-frequency sounds .

Personalize your music
HearID 2.0 Adjust your EQ curve according to user hearing sensitivity. You can also adjust the EQ curve yourself, or choose from 22 built-in EQ curves for different music types.

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 with the charging box, they can provide up to 50 hours of music playback .
6-microphone clear call
6 beamforming microphones and AI algorithms reduce background noise, making your voice stand out more and making calls clearer .
Product Specifications
- Input: 5V⎓0.85A
- Driver size: 11mm dynamic
- Charging time: 3 hours / 10 minutes for 4 hours of use
- Usage time (earphones/with charging case): Up to 10/50 hours (standard); Up to 8/40 hours (ANC); Up to 4/20 hours (talk time)
- Frequency response: 20 Hz - 20 kHz
- Connection: Bluetooth 5.3
- Bluetooth transmission distance: up to 10 meters
- Dimensions: 57.2 x 57.2 x 30.5mm
- Net weight: 5.2g (single earphone) / 50g (charging box)
- Contents: Soundcore Liberty 4 NC, charging case, earbuds x 4, USB-C charging cable, instruction manual