Discover a new dimension in fitness tracking with the Smart Ring, equipped with a cutting-edge chip for precise recording of sports data. This innovative accessory offers 24 sports modes, including 19 classic modes and 5 GPS modes, for more scientific and effective training routines. It doesn't just track your physical activity: it also monitors your heart rate throughout the day through comprehensive data analysis and trend history to monitor your heart health. Additionally, it allows you to monitor your sleep and blood oxygen to gain detailed insights into your nighttime sleep and overall health. Available in 8 sizes, from 16.5mm to 22.3mm in diameter, it easily fits all finger sizes. Designed for performance, the Smart Ring offers 7 days of standby time and a full charge in just 2 hours. Each pack includes the Smart Ring, a charging cable, and an instruction manual, for an optimal experience. Whether you're an athlete or simply looking to improve your health metrics, this smart ring is an excellent companion for anyone interested in a deeper understanding of their body's fitness and well-being.