Circular’s new smart rings do something Oura and Galaxy Ring can’t

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Circular has launched its Ring 3 Series at IFA 2026, introducing two new models: the Pro and the Slim. These smart rings feature NFC for contactless mobile payments and a haptic motor for vibrating alerts, capabilities not found in Oura or Galaxy Ring. The Pro model includes upgraded sensors and FDA-cleared atrial fibrillation detection via a one-line ECG. While the Pro maintains full health-tracking features, the Slim option provides a more limited set of capabilities.
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