
Best selling Smart rings from Circular
On this page you’ll find a ranking of the best Smart rings from Circular. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. Circular Ring 2 BLA Grösse 10
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-light (2 g), waterproof (IP68). Digital size determination via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers a medically certified ECG right at your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you personalized recommendations for a healthier lifestyle.
The high-quality titanium case is not only robust and lightweight (only 2 grams) but also waterproof according to IP68 standards – perfect for everyday use and sports activities. Thanks to digital size determination via smartphone, the ring fits perfectly without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone who wants to keep their health discreetly and effectively in check – all without monthly subscription fees.

2. Circular Ring 2 SIL Grösse 8
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-lightweight (2 g), waterproof (IP68). Digital size determination via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers a medically certified ECG directly on your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you personalized recommendations for a healthier lifestyle.
The high-quality titanium case is not only robust and lightweight (only 2 grams) but also waterproof according to IP68 standards – perfect for everyday use and sports activities. Thanks to digital size determination via smartphone, the ring fits like a glove, without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone who wants to discreetly and effectively keep an eye on their health – all without monthly subscription fees.

3. Circular Ring 2 BLA Grösse 8
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-lightweight (2 g), waterproof (IP68). Digital size determination via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers a medically certified ECG right at your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you personalized recommendations for a healthier lifestyle.
The high-quality titanium casing is not only robust and lightweight (only 2 grams) but also waterproof according to IP68 standards – perfect for everyday use and sports activities. Thanks to digital size determination via smartphone, the ring fits perfectly without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone who wants to discreetly and effectively keep an eye on their health – all without monthly subscription fees.

4. Circular Ring 2 SIL Grösse 7
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-light (2g), waterproof (IP68). Digital size measurement via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers medically certified ECG directly at your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you individual recommendations for a healthier lifestyle.
The high-quality titanium casing is not only robust and lightweight (only 2 grams) but also waterproof to IP68 standards – perfect for everyday use and sports activities. Thanks to digital size measurement via smartphone, the ring fits like a glove, without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone looking to discreetly and effectively keep track of their health – all without monthly subscription fees.

5. Circular Ring 2 GLD Grösse 10
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-light (2g), waterproof (IP68). Digital size determination via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers medically certified ECG directly at your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you personalized recommendations for a healthier lifestyle.
The high-quality titanium casing is not only robust and lightweight (only 2 grams) but also waterproof according to IP68 standards – perfect for everyday use and sports activities. Thanks to the digital size determination via smartphone, the ring fits perfectly without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone who wants to discreetly and effectively keep an eye on their health – all without monthly subscription fees.

6. Circular Ring 2 GLD Grösse 7
Circular Ring 2 – Premium Smart Ring with Medical ECG and AI Coach
Your discreet health companion for heart, sleep, and energy – no subscription required. The first smart ring with FDA-certified ECG and AFib detection. Over 140 biomarkers including HRV, SpO₂, temperature, and stress. AI Coach "Kira" provides personalized health insights. Titanium design, ultra-light (2g), waterproof (IP68). Digital size determination via smartphone – no measuring kit needed.
The Circular Ring 2 is an elegant, smart health ring that combines cutting-edge technology with stylish design. As the first smart ring, it offers medically certified ECG directly at your finger and detects heart rhythm disorders such as atrial fibrillation (AFib) – ideal for preventive health monitoring.
With over 140 biometric measurements – including heart rate variability (HRV), blood oxygen saturation (SpO₂), body temperature, sleep phases, and stress levels – the ring provides you with precise insights into your health status around the clock. The integrated AI Coach "Kira" analyzes this data and gives you personalized recommendations for a healthier lifestyle.
The high-quality titanium casing is not only robust and lightweight (only 2 grams) but also waterproof according to IP68 standards – perfect for everyday use and sports activities. Thanks to digital size determination via smartphone, the ring fits perfectly without the hassle of a measuring kit.
With a battery life of up to 8 days and wireless charging, the Circular Ring 2 is the ideal companion for anyone who wants to discreetly and effectively keep an eye on their health – all without monthly subscription fees.
