Smart Health Ring for MenWomen, Waterproof Fitness Tracker Ring with Heart Rate, Blood Oxygen, Sleep, Step Counting, Vibration Alerts Smart Ring, No APP Fee for iOS & Android (Silver, 9)

Ultra-thin at 2mm and featherlight at 2.5g, you won't feel it during exercise, sleep, or work. This smart ring uses a unique sizing system, different from conventional rings. Order the sizing kit with your ring, or get the kit first to measure and secure the correct size from day one. This 24/7 health monitoring ring automatically tracks 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 utilizing real-time data to offer personalized suggestions such as regular sleep and proper exercise. There are no subscription fees, monthly payments, or hidden costs. Soft vibrations alert you to calls, alarms, WhatsApp, WeChat, Instagram, SMS, medication, water intake, birthdays, anniversaries, and festivals. It's ideal for silent reminders in meetings, next to your partner, or in the library. It provides real-time health alerts upon detecting abnormal heart rate, low blood oxygen, or elevated temperature so you know when something is off and can take action. With a 5ATM waterproof rating, you can swim, dive, surf, or shower with it. Enjoy 46 days of use from a 90-minute charge, plus 25 days of standby time 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 delivers a comprehensive performance assessment and helps you adjust your goals based on real data