SPECIFICATIONS

The COLMI R02 Smart Ring (2024) delivers comprehensive health monitoring with heart rate, sleep, blood oxygen, and stress tracking capabilities. This lightweight 4.4g steel device also functions as a complete activity tracker, recording steps, distance, and calories. Featuring a robust 17mAh battery and 5ATM waterproof rating, this CE and FCC-certified wearable provides reliable performance without a display screen, maintaining a sleek profile for everyday use.

Wear the COLMI R02 Smart Ring on your index finger (middle or ring fingers also acceptable) for optimal performance. Measure your finger circumference before purchasing to ensure proper fit. To activate, charge with the included cable until the heart rate light illuminates, then connect via the Qring app.