1.All-Day Health Monitoring: This Smart Ring, also known as the Vital Health Ring, 24/7 tracking, including sleep structure, blood oxygen levels, and heart rate. It's suitable for both women and men, functioning as a Blood Pressure Ring and Step Tracker, helping you stay informed about your easily. 2.IP68 Design: Please refer to the second picture to learn the measurement method to get the accurate ring size. Our smart rings are compatible with Android 5.0 and iOS 10.0 and above systems (No subscription app fees required). Whether you're swimming, diving, or doing water sports, this Fitness Ring is built with IP68 waterproof technology. It can endure both freshwater and seawater immersion, making it a durable ring for all your activities. 3.Fitness Tracking: The Pulse Explore Smart Ring features intelligent motion monitoring, enabling you to track daily exercise data like calories burned, mileage, and exercise time. It's as if you have a personal coach with you, ensuring your workouts are efficient and scientific. 4.High-Quality Materials: Made from sturdy stainless steel and epoxy resin, this smart ring ensures high strength, corrosion resistance, and long-lasting durability. It is designed to protect internal components, making it a reliable vital ring for both women and men.