Lavene New Smart Ring

COLMI R03 Smart Ring – Advanced Health Tracker with Charging Case

Take health tracking to a whole new level with the COLMI R03 Smart Ring – a sleek, ultra-lightweight wearable that delivers powerful fitness and wellness insights directly from your finger. Designed for everyday wear and crafted from durable steel, this smart ring combines minimalist aesthetics with maximum functionality.

🔋 Smart, Compact & Powerful

With a battery capacity of 15mAh to 18mAh (depending on ring size), the COLMI R03 offers long-lasting performance in a featherlight body (only 4.4g). The included magnetic charging case ensures you’re always powered up and ready to go.

💡 Track What Matters

• Heart Rate Monitoring
• Blood Oxygen (SpO₂) Tracking
• Sleep Monitoring
• Stress Monitoring
• 20 Exercise Modes
• Activity, Distance, Steps & Calorie Tracking

All data syncs with the Qring App, giving you a complete view of your fitness – no display screen needed.

💧 Built for Daily Life

Thanks to 5ATM waterproofing and low-temp potting technology, the COLMI R03 is fully swim- and shower-proof, ensuring reliable performance through every moment.

📏 Sizing Note

For the best accuracy, wear the ring on your index, middle, or ring finger. Be sure to measure your finger circumference before purchasing to select the correct size.

🔧 Specifications

• Material: Steel
• Waterproof Grade: 5ATM
• Battery Capacity: 15mAh (sizes 7–9), 18mAh (sizes 10–13)
• Weight: 4.4g
• App: Qring
• Display: No screen (App-based tracking)
• NFC: Not supported
• Certifications: CE, FCC
• Origin: Mainland China

Innovation meets simplicity – powered by COLMI.