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.

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Soundcore By Anker Liberty 4 Noise Cancelling Earbuds True Wireless Earbuds With Acaa 3.0 Dual Dynamic Drivers For Hi-res - Earphones & Headphones - AliExpress

Anker's new Soundcore Liberty 4 earbuds can do something that Apple's AirPods Pro 2 cannot - PhoneArena

Anker's Soundcore Liberty 4 earbuds add spatial audio and heart rate tracking - The Verge

The new Anker Soundcore Liberty 4 feature a heart rate sensor

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