Smart Rings for Men, Silent Vibration Alerts Ring with Fitness, Sleep Monitoring, Step Counting, HR Tracker Ultra-Thin, No APP Fee, 5ATM...

Ultra-thin at 2mm and featherlight at 2.5g, you won't feel it when wearing during exercise, sleep, or work. This smart ring employs a distinct sizing standard, unlike conventional rings. Order the sizing kit with your ring, or acquire the kit first to measure and secure the correct size from the start. 24/7/30 AI Auto Tracker This 24-hour health monitoring ring automatically logs your heart rate, HRV, temperature, and blood oxygen every 30 minutes with 99% accuracy during sleep. Your all-day fitness tracker ring examines sleep, activity, health trends (daily/weekly/monthly), and AI Q & A utilizing real-time data to provide personalized guidance such as regular sleep and proper exercise. No Subscription Fees No monthly fees, no hidden charges. Silent Notifications & Reminder The silent vibration smart ring uses gentle vibrations to notify you of calls, alarms, WhatsApp, WeChat, Instagram, SMS, medication, water intake, birthdays, anniversaries, and festivals. Perfect for discreet alerts in meetings, next to your partner, or in the library. The health tracker provides real-time alerts when it identifies abnormal heart rate, low blood oxygen, or elevated temperature. Waterproof & Long Battery With a 5ATM waterproof rating, you can swim, dive, surf, or shower with it. Achieve 46 days of use from a 90-minute charge, along with 25 days of standby and offline data storage. Multi-Sport Tracking The activity monitoring ring tracks your steps, calories burned, and workout du