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Circular
The Circular Ring 2 is the only smart ring with an ECG, arrhythmia detection, and 140+ biomarkers for personalized health insights around sleep, recovery, and more — all subscription-free and guided by its AI assistant, Kira.
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About Circular
The Circular Ring 2 is the only smart ring with an ECG, arrhythmia detection, and 140+ biomarkers for personalized health insights around sleep, recovery, and more — all subscription-free and guided by its AI assistant, Kira.