COLMI R12 Steel Smart Ring
COLMI R12 Smart Ring provides continuous biometric monitoring in a steel case with a built-in display and touchpad. It tracks heart rate sleep SpO2 stress and daily activity while remaining lightweight for all-day wear.
If you struggle with bulky wrist trackers or want discreet uninterrupted tracking this ring captures continuous heart rate and sleep metrics plus blood oxygen and stress monitoring and syncs to the Qring app for review. Use the included wireless charger to power the ring and follow the size guide before purchasing.
- Continuous heart rate monitoring and sleep tracking with SpO2 blood oxygen readings
- 5ATM water resistance and steel case for everyday durability; item weight about 3.3g
- Wireless charging included for convenient recharging; startup indicated by heart-rate LED
- CE and FCC certified for regulatory compliance; origin Mainland China; NFC not supported
- Recommended wear on your index finger for optimal sensor accuracy; measure finger circumference before purchase
Unlike many wrist devices the ring offers a smaller discrete form factor while delivering comparable biometric metrics. Compared to uncertified clones this device is quality-tested and certified to CE and FCC standards. For best accuracy follow the sizing and wear recommendations and connect via the Qring app. Purchase from official channels to ensure authenticity and warranty support.