1. For best performance and accuracy, we recommend wearing the COLMI Ring on your index finger. If you prefer other fingers, the middle and ring fingers are also OK. Avoid using fingers that are narrower than the knuckles at the base. 2. The size of COLMI rings may not be completely in line with universal standards. Please measure your finger circumference before purchasing and make sure it fits comfortably, then choose the appropriate size. 3. How to start: Charge the COLMI Ring with the included charging cable. The heart rate light will light up to indicate successful startup. Then you can use the APP Qring to connect the COLMI Ring. Introducing the revolutionary COLMI R02 Smart Ring with Charging Case – a breakthrough in wearable technology, offering seamless health monitoring right at your fingertips. With its state-of-the-art design, you can effortlessly track your heart rate, blood oxygen and stress levels – all without lifting a finger. Your health data is automatically recorded, ensuring you're always in the know about your body's status. Wear it worry-free every day, the titanium steel shell, paired with advanced low-temperature potting technology, grants the ring a 5ATM&IP68 water resistance rating. the R02 Smart Ring is not just feather-light but incredibly durable and resistant to wear. Its ruggedness is matched by monitoring accuracy, with 20 different exercise modes that monitor your heart rate data in real time during exercise. Embrace the future of smart wearables with the COLMI R02 Smart Ring – a perfect blend of innovation, style, and health consciousness.
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