Sleep Tracking Smart Ring

Unlock the Secret to Perfect Sleep.

The KardiHub Sleep Tracking Smart Ring is the most elegant way to monitor your health 24/7. Worn like a regular ring, it silently tracks your sleep stages, heart rate, blood oxygen, body temperature, and activity levels - then delivers personalized insights to help you sleep deeper, recover faster, and live better.

Key Features

• Tracks REM, light, and deep sleep stages with clinical accuracy
• Continuous heart rate and HRV (Heart Rate Variability) monitoring
• Blood oxygen (SpO2) and body temperature tracking
• Activity and calorie tracking throughout the day
• Titanium shell - lightweight, durable, and hypoallergenic
• Up to 7-day battery life on a single charge
• Syncs to iOS and Android app for detailed health reports

How to Use

Wear the ring on any finger, sync it to the KardiHub Health app, and let it work silently in the background. Wake up each morning to a detailed sleep score and personalized recovery recommendations.

Imagine waking up knowing exactly why you feel the way you do - and what to do about it. That's the Sleep Tracking Smart Ring.

Ideal For

• Health-conscious individuals optimizing sleep and recovery
• Athletes tracking HRV and readiness scores
• Anyone who wants premium health insights without wearing a bulky smartwatch