Smart ring maker Circular has unveiled its upcoming Ring 3 series, which includes the Ring 3 Pro and Ring 3 Slim. Both models feature an integrated NFC chip for contactless payments, vibrating alerts for alarms and reminders, wireless charging, and 50-metre water resistance.
The Ring 3 Pro has a slimmer design than its predecessor and includes FDA-cleared ECG for Afib detection, blood pressure trend tracking, glucose tracking, advanced sleep analysis, and comprehensive biometric monitoring. Its battery lasts up to 12 days, compared with seven days for its predecessor.
The thinner and lighter Ring 3 Slim offers basic health and wellness tracking, including sleep, heart rate, HRV, SpO₂, skin temperature, and daily activity. It provides up to 10 days of battery life.
Both models support on-finger vibrations for silent wake-up alarms, medication reminders, vital health alerts, and guided breathing exercises. They are made from titanium steel and will be available in sizes 6–14, with gold, rose gold, silver, and black color options.
Circular said pricing and pre-order information will be announced in the coming months. The rings are expected to become available in early 2027.
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