The Orbyt smart ring provides detailed insights into your daily physical activity and health metrics, including heart rate and blood oxygen levels. It also helps you monitor sleep quality and stress levels, giving you a comprehensive view of your overall well-being. With over 100 pre-registered sports, it enables precise tracking during various activities. Its 5 ATM protection rating makes it suitable for swimming, adding versatility to your fitness routine. Crafted from durable aluminum alloy, the ring is available in three sizes to ensure a comfortable fit. The included magnetic charging case fully charges the ring in just 1.5 hours, providing up to 15 days of standby time or up to 7 days of continuous use. Ring size: 8-18.3 mm / 9-19.1 mm / 11-20.8 mm.