Smart Health Rings for Men, Waterproof Sport Ring with Heart Rate, Blood Oxygen, Sleep, Step Counting, Vibration Alerts Smart Ring, No App fee, Compatible with iOS & Android(Gold, 11)

Ultra-thin at 2mm and featherlight at 2.5g, you won't feel it when you exercise, sleep, or work. This smart ring uses a unique sizing standard, different from regular rings. Order the sizing kit with your ring, or get the kit first to measure and get the right size from day one. This 24-hour health monitoring ring automatically records your heart rate, HRV, temperature, and blood oxygen every 30 minutes during sleep with 99% accuracy. Your all-day fitness tracker analyzes sleep, activity, health trends (daily/weekly/monthly), and provides AI Q&A, using real-time data to offer personalized advice on sleep and exercise. No monthly payments or hidden costs. Soft vibrations alert you to calls, alarms, WhatsApp, WeChat, Ins, SMS, medication, water intake, birthdays, anniversaries, and festivals. Ideal for silent reminders in meetings, beside your partner, or in the library. The health tracker provides real-time alerts for abnormal heart rate, low blood oxygen, or high temperature. With a 5ATM waterproof rating, you can swim, dive, surf, or shower with it. It provides 46 days of use on a 90-minute charge, plus 25 days of standby and offline data storage. The activity monitoring ring records your steps, calories burned, and workout duration for running, walking, and cycling, whether you're on a treadmill or a trail. It gives a complete performance assessment to help adjust your goals with real data