Circular Ring Slim: All You Need To Know About This Smart Ring French startup Circular has launched the Circular Ring Slim, which the company claims as the world's thinnest, lightest, and most powerful tracker. Here’s everything you need to know about it.

Circular Ring Slim's Features – Weight: 2 grams. – Thickness: 2.2 mm. – Material: Matte black bead-blasted aluminum and carbon fiber. – Sizes: Available in 8 sizes. – Water Resistance: Suitable for light exposure.

Health Analysis Capabilities – Tracks seven biometrics and 142 derived markers. – Sensors: Infrared LED, 3-axis accelerometer, temperature sensor. – Uses PPG technology for health metrics like heart rate, respiratory rate, blood oxygen levels.

Sleep Monitoring – Tracks REM cycles, wake times, and temperature variations. – Offers insights into immune health and illness symptoms.

Data Management and Accessibility – Data is transmitted to Kira+, Circular's AI assistant. – Kira+ provides insights and advice. – App compatibility: iOS and Android.

Health Metrics Monitored – Blood oxygenation, heart rate variability, temperature, breathing rate, steps, stress levels, sleep cycles. – Data collection frequency: Every two minutes.