Anker's Soundcore Liberty 4 earbuds add spatial audio and heart rate tracking - The Verge
The latest version of Soundcore Liberty earbuds has a $150 price to go with active noise cancellation, heart rate tracking, spatial audio, and a wireless charging case that can keep them going for up to 28 hours.
Soundcore Liberty 4 True Wireless Earbuds Review
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Review: Anker Soundcore Liberty 4 – Wireless earbuds also measure your heart rate – Homecinema Magazine
Anker Soundcore Liberty 4 True Wireless Review
NOW AVAILABLE: Soundcore Liberty 4 : r/anker
Soundcore Liberty 4 Wireless Earbuds with Spatial Audio
Soundcore Liberty 4 Review: A Value-Packed AirPods Alternative
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Anker Soundcore Liberty 4 earbuds offer customizable audio + track heart rate continuously - Yanko Design
Buy Liberty 4 True Wireless Earbuds - soundcore Europe