French upstart Circular has unveiled a fresh challenge to Oura — the current lord of the smart rings. Circular has just released a new smart ring that offers two key advantages over Oura, which currently dominates the global market for the trendy wearables, which monitor your health metrics and display the info on an app. Dubbed the Circular Ring 2, it’s a quantum leap forward from its predecessor, the Circular Slim, which The Verge described as a product that held “a lot of promise” but executed on “almost none of it.” Firstly, Circular has swapped the plastic shell in the…
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