All-Day Health Monitoring - The Pulse Explore Smart Ring, also known as the Vital Health Ring, provides 24/7 tracking of sleep structure, blood oxygen levels, and heart rate. - Unisex design suitable for both women and men; functions as a Blood Pressure Ring and Step Tracker to help you stay informed about your health with ease. IP68 Waterproof Design - Please refer to the second picture for the measurement method to obtain an accurate ring size. - Compatibility: Android 5.0 and iOS 10.0 and above; no subscription app fees required. - IP68 waterproof for swimming, diving, and water sports; withstands freshwater and seawater immersion for reliable use in any activity. Fitness Tracking - Pulse Explore Smart Ring features intelligent motion monitoring to track calories burned, mileage, and exercise time. - Acts like a personal coach to help you keep workouts efficient and scientific. High-Quality Materials - Made from sturdy stainless steel and epoxy resin for high strength, corrosion resistance, and long-lasting durability. - Designed to protect internal components, providing a reliable vital ring for both women and men. Use Scenarios - Everyday health monitoring: at work or home, track sleep, heart rate, blood oxygen, blood pressure, and steps to stay on top of your wellness. - Fitness activity: runs, gym sessions, or cycling, with tracking of calories, distance, and duration to optimize results. - Water-related activities: swimming, diving, or other water sports, supported by the IP68 waterproof design for dependable performance.