Smart Ring Showdown: Why the New Circular Ring 2 May Outshine Oura and the Rest
Key Takeaways and Quick Facts Circular Ring 2 In-Depth: Features, Specs and Experience Health and Fitness Tracking The Circular Ring 2 is packed with sensors and algorithms aimed at quantifying your health from every angle. At its core, it uses optical sensors (PPG) to continuously monitor heart rate, heart rate variability (HRV), blood oxygen saturation (SpO₂), respiratory rate, skin temperature, and more circular.xyz circular.xyz. These biometrics feed into a comprehensive system that analyzes over 140 data points to gauge your daily fitness and wellness. Overall, Circular Ring 2 aims to be a full-spectrum health tracker on your finger. It’s not