Circular unveils Ring 3 series with contactless payments and on-finger vibration alerts

Circular unveiled the Ring 3 series, offering a Pro model with FDA-cleared ECG, blood-pressure trend, glucose tracking, advanced sleep analysis and 12-day battery life, and a slimmer Slim model that tracks sleep, heart rate, HRV, SpO2, skin temperature and activity with up to 10-day battery life. Both titanium-steel rings include NFC for contactless payments, 50 m-water resistance, wireless charging, on-finger vibration alerts for alarms and health notifications, and will launch in early 2027.