Hotline: 16297 (9 AM to 8 PM) 
Hello, Sign in 
Cart 
With a 4.4g stainless steel frame, the COLMI R02 Smart Ring tracks heart rate and SpO2 levels through the finger. This wearable monitors sleep and 21 sports modes without the bulk of a standard watch. Data syncs directly to the QRing app for metric review.
Key Features
- Biometric Monitoring: Vcare VC30F sensor tracks heart rate and blood oxygen. Continuous data collection identifies physiological trends throughout the day.
- Lightweight Construction: 4.4g total weight with a 2.7mm profile. Minimal mass prevents finger fatigue during extended wear.
- Waterproof Rating: IP68 and 5ATM certified protection. Resists heavy sweat and high humidity.
- Power Management: Up to 6 days of runtime from a 1-hour charge. Weekly charging cycles reduce downtime for health tracking.
- Internal Build: Epoxy resin interior houses the Realtek RTL8762E chipset. Hypoallergenic materials prevent skin irritation during 24/7 use.
Frequently Asked Questions
Is the COLMI R02 smart ring waterproof?
It carries IP68 and 5ATM ratings. This level of protection survives swimming and rain but excludes high-pressure steam.
How do you charge the COLMI R02?
Use the dedicated magnetic charger included in the box. A full charge cycle takes approximately 60 minutes.
Which app is used for the COLMI R02?
The QRing app handles all data synchronization and settings. It supports both Android and iOS mobile operating systems.
