The COLMI R02 Smart Ring in size 12 (21.3 mm) is an innovative wearable that combines health monitoring and sports functions in a compact, lightweight design. Weighing only 4.7 g and with a thickness of 2.7 mm, this ring is designed to maximize comfort throughout the day. It continuously measures heart rate and blood oxygen levels (SpO2) and analyzes sleep to provide valuable insights into personal health. Additionally, the ring supports 21 sports modes for tracking activities and workouts. With an IP68 water resistance rating, it is suitable for various environments. The Bluetooth 5.0 connection to the QRing app allows for easy synchronization of collected data. With a battery life of up to 6–7 days and the included charging case, the COLMI R02 Smart Ring is a practical solution for anyone looking to keep an eye on their health.

• Lightweight and discreet at only 4.7 g
• Continuous monitoring of heart rate and SpO2
• 21 sports modes for comprehensive activity tracking
• IP68 water-resistant for versatile use.