The Colmi R03 Smart Ring is an innovative wearable device that allows you to monitor your health and fitness data directly from your wrist. With a sleek and lightweight design of just 4.7 grams, this smart ring offers both comfort and functionality for everyday use. It is compatible with the QRing app, which provides a comprehensive overview of your health statistics, including sleep quality, heart rate, and blood oxygen levels. The smart ring is also 5ATM waterproof, meaning it can be worn during intense workouts or while swimming without worrying about damage. Made from high-quality titanium, it ensures durability and resistance to corrosion and wear. The Colmi R03 is thus a practical solution for anyone looking to efficiently track their fitness goals.

• Compatible with the QRing app for health data monitoring
• Monitors sleep phases and quality to improve sleep habits
• Tracks heart rate, blood oxygen, and activity data
• 21 sports modes for personalized training
• Magnetic induction charging for easy and convenient power supply.