Circular Ring 2 BLA Grösse 10
10, BlackOnly 1 piece in stock
Refurbished offer
| Product condition | Very good: fully functional. Some light scratches or scuffs. |
| Packaging condition | Opened and in excellent condition. |
| Scope of delivery | Refurbished Circular Ring 2 BLA Grösse 10 (10, Black), Original accessories |
| Warranty | 24 months Warranty (Bring-in) |
| Return | 30-day right of return |
Product details
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.
Colour | Black |
Material group | Metal |
ring size | 10 |
Health functions | Blood pressure measurement, Calories, Cycle protocol, ECG, Heart rate measurement, Heart rate monitoring, Oxygen saturation, Pedometer, Respiratory rate, Sleep recording, Stress levels, Temperature detection |
Weight | 3 g |
Item number | 59970604 |
Manufacturer | Circular |
Category | Smart rings |
Manufacturer no. | CIR-RING-V03-OBL-S10 |
Release date | 5.7.2025 |
Colour | Black |
Exact colour description | Black |
Material group | Metal |
Material | Lightweight titanium |
ring size | 10 |
Health functions | Blood pressure measurement, Calories, Cycle protocol, ECG, Heart rate measurement, Heart rate monitoring, Oxygen saturation, Pedometer, Respiratory rate, Sleep recording, Stress levels, Temperature detection |
Sensors | Accelerometer, Temperature sensor |
Connectivity | Bluetooth |
Protection type (IP code) | IP68 |
Country of origin | China |
CO₂ emissions | 0.2 kg |
Climate contribution | CHF 0.11 |
Scope of delivery | 1 x app access (via QR or App Store), 1 x Circular Ring 2, 1 x cleaning cloth, 1 x Digital operating instructions, 1 x USB-C charging cable, 1 x Wireless charging case |
Weight | 3 g |
Length | 10.20 cm |
Width | 9.60 cm |
Height | 6.50 cm |
Weight | 165 g |