The Colmi R02 smart ring is an advanced wearable device specifically designed to support the health and fitness of its users. Weighing just 4.4g, the ring offers a comfortable fit and is ideal for everyday use. It monitors important health parameters such as heart rate, sleep quality and blood oxygen saturation. In addition, it counts steps and calories burned and offers a variety of 21 sports modes to track different activities. The smart ring is IP68 waterproof, making it suitable for use in different environments. The collected data can be conveniently accessed via the accompanying QRing app, which provides detailed reports on health and fitness activities. With a battery life of up to 6 days on a single charge, the Colmi R02 is a reliable companion for anyone who wants to maintain an active lifestyle.