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)

Find Your Perfect Fit: Ultra-thin at 2mm and featherlight at 2.5g, it's comfortable to wear during 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 find the perfect fit from day one. 24/7/30 AI Auto Tracker: This 24-hour health monitoring ring automatically records your heart rate, HRV, temperature, and blood oxygen every 30 minutes with 99% accuracy during sleep. 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 for better sleep and exercise routines. No Subscription Fees: No monthly payments or hidden costs. Silent Notifications & Reminder: 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, so you can take timely action. Waterproof & Long Battery: With a 5ATM waterproof rating, you can swim, dive, surf, or shower with this ring. It provides 46 days of use on a 90-minute charge, plus 25 days of standby time and offline data storage. Multi-Sport Tracking: The activity monitoring ring records your steps, calories burned, and workout duration for running, walking, and cycling, whether on a treadmill or a trail. It gives a complete performance assessment and helps adjust your goals based on real data. It also makes a thoughtful gift for family, friends, or loved ones