Soundcore Liberty 4 – True Wireless Earbuds with Spatial Audio & Heart Rate Sensor
The Soundcore Liberty 4 earbuds by Anker are premium true wireless in-ear headphones engineered for immersive listening, fitness tracking, and all-day comfort. Featuring 360° Spatial Audio, adaptive noise cancellation, and a built-in heart rate sensor, they offer a high-performance audio solution for both entertainment and wellness.
Key Features
360° Spatial Audio with Head Tracking – Delivers theater-like sound that moves with you
Adaptive Active Noise Cancellation (ANC) – Automatically adjusts based on your surroundings
Heart Rate Monitoring – Built-in sensor tracks wellness data during workouts or daily use
Dual Dynamic Drivers (A.C.A.A™ 3.0 Coaxial Tech) – Rich bass and crisp treble separation
Multi-Point Connectivity – Seamlessly switch between two devices (e.g., phone and laptop)
CloudComfort™ Ear Tips – Soft, pressure-relieving design for long-term wear
Touch Controls – Customize playback, volume, and ANC settings via Soundcore app
Wireless Charging Case – Provides extra battery life and hassle-free charging
Specifications
Audio Technology: A.C.A.A™ 3.0 with dual dynamic drivers
Spatial Audio: Yes, with dynamic head tracking
Noise Cancellation: Adaptive ANC with transparency mode
Heart Rate Monitoring: Integrated infrared sensor
Battery Life:
Earbuds: Up to 9 hours (ANC off), 7 hours (ANC on)
With Case: Up to 28–36 hours total
Charging: USB-C + Qi wireless charging
Connectivity: Bluetooth 5.3 + Multi-Point Pairing
Water Resistance: IPX4 (splash-proof)
Color Options: Midnight Black, Cloud White (availability may vary)
Weight: Approx. 6g per earbud
Conclusion
The Soundcore Liberty 4 brings premium sound, personalized wellness features, and smart noise control into one compact, elegant package. Ideal for music lovers, fitness enthusiasts, and hybrid workers alike.


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