The COLMI R02 Smart Ring in size 10 (19.8 mm) is an innovative wearable that combines health monitoring and sports functions in a compact design. Weighing only 4.7 g and with a thickness of 2.7 mm, this ring is lightweight and comfortable to wear, ensuring it doesn't interfere with daily activities. It continuously measures heart rate and blood oxygen levels (SpO2) and analyzes sleep and daily activity across 21 different sports modes. The Bluetooth 5.0 connection to the QRing app allows for easy synchronization of collected data. Thanks to its IP68 water resistance, the ring can be used in various activities. The included charging case ensures that the ring can be used for up to 6–7 days on a single charge, providing convenient and reliable usage.

• Lightweight and discreet design for maximum comfort
• Continuous monitoring of heart rate and SpO2
• 21 sports modes for activity tracking
• IP68 water-resistant for versatile use.