Smart Ring With NFC
Circular Unveils Ring 3 Series With Built-In NFC Payments And Advanced Health Tracking
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Key Points
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On-device tokenization and card data storage: Circular stores encrypted card information directly on the Ring 3 Series and issues a tokenized version of the card for payments, reducing exposure by avoiding cloud-stored card data. It also supports Visa, Mastercard, AmEx, and regional schemes in Europe/Asia.
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The tactile haptic motor is embedded in the ring’s inner rim, enabling silent wake-up alarms, medication reminders, and biofeedback cues without a screen.
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The Slim model omits ECG and the on-ring haptic motor, instead emphasizing core wellness metrics (sleep, heart rate, HRV, SpO2, skin temperature, daily activity) to stay lightweight and compact.
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The Ring 3 Series was announced with an IFA 2026 launch in Berlin, offering two sizes/models (Pro and Slim) in sizes 6–14 and color options like gold, rose gold, silver, and black; pricing and pre-order details were to be announced later.
Circular unveiled the Ring 3 Series at IFA 2026, bringing NFC contactless payments to smart rings alongside advanced health monitoring. The lineup includes two models: the Ring 3 Pro with FDA-cleared heart rhythm detection, and the Ring 3 Slim built for lightweight everyday wear. Yahoo Tech reports both rings store encrypted card data directly on-device and support Visa, Mastercard, and American Express for tap-to-pay transactions.
The Ring 3 Series marks Circular's biggest push into wearable payments and health tracking. TechCrunch notes the rings feature on-finger vibration alerts for alarms and reminders, titanium construction, and up to 12 days of battery life on the Pro model. Both designs support 50-meter water resistance and integrate Circular's AI health assistant for personalized wellness insights.
Two Models: Pro Health Powerhouse and Slim Essentials
The Ring 3 Pro targets users who want comprehensive biometric tracking. It includes an FDA-cleared ECG sensor for atrial fibrillation detection, blood pressure trend monitoring, and glucose tracking—though blood pressure and glucose require an optional subscription. Wareable highlights the Pro's full sensor suite: heart rate, blood oxygen, skin temperature, heart rate variability, and sleep analysis packed into titanium. The Ring 3 Slim strips away the ECG and vibration motor to prioritize a lighter, more compact design for core wellness metrics only.
Battery life separates the two models. The Pro reaches 12 days per charge, while the Slim achieves roughly 10 days. Both come in sizes 6–14 and colors including gold, rose gold, silver, and black. WebProNews confirms the Ring 3 Slim offers essential health data—sleep, heart rate, SpO2, skin temperature, and activity—without the medical-grade sensors of its Pro sibling.
On-Device Tokenization Keeps Card Data Secure
Circular encrypts payment card information directly on the Ring 3 Series instead of storing it in the cloud. Yahoo Tech explains the ring issues a tokenized version of your card for each transaction, so merchants never see your actual card number. This approach reduces fraud risk compared to cloud-based payment storage. The rings support Visa, Mastercard, American Express, and regional payment schemes across Europe and Asia.
Tap-to-pay functionality works just like contactless debit or credit cards. Users can complete coffee purchases, grocery transactions, and other everyday payments without pulling out their wallet. The on-device tokenization means Circular never transmits raw card data over networks, keeping sensitive financial information locked to the ring itself.
Silent Vibration Alerts Replace Screen Notifications
The Ring 3 Pro embeds a haptic motor in its inner rim to deliver silent, tactile alerts. TechCrunch reports vibration patterns wake users with alarms, deliver medication reminders, and send health prompts—all without a screen or sound. This design preserves discretion and battery life compared to smart rings with always-on displays. The Ring 3 Slim omits the vibration motor to achieve its slimmer profile.
Haptic feedback integrates with Circular's AI health assistant. The ring can buzz you to log meals, hydrate, or move more. Wareable notes these silent prompts work during meetings, workouts, or sleep without alerting people nearby, making the Ring 3 Pro ideal for users who want unobtrusive health coaching throughout their day.
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