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.

Anker Soundcore Liberty 4 Earbuds Double as Heart Rate Tracker

Soundcore Liberty 4 Review: A Value-Packed AirPods Alternative

Anker Liberty 4 review: ANC and Spatial Audio on a budget

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Anker Soundcore Liberty 4 review: exceptional value - Reviewed

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 : Health & Household

Anker Soundcore Liberty 4 NC Truly Wireless Review

soundcore by Anker Liberty 4 NC Wireless Noise Cancelling Earbuds, 98.5% Noise Reduction,Hi-Res Sound, 50H Battery

Anker Soundcore Liberty 4 Earbuds Double as Heart Rate Tracker

EarBuds that can Measure my Heart Rate! - Soundcore Liberty 4