Smart Rings for Men, Ultra-Thin Sleep Tracker Ring, Waterproof Health Tracker Ring with Heart Rate, Blood Oxygen, Sleep, Step Count, Daily Reminders No APP Fee for iOS & Android(Gold, 10)

Ultra-thin at 2mm and featherlight at 2.5g you won't feel it while exercising, sleeping, or working. This smart ring employs a distinct sizing standard unlike conventional rings. Order the sizing kit alongside your ring, or obtain the kit first to measure and secure the correct size from the start saving you money and trouble. 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 using real-time data to offer personalized guidance on consistent sleep and proper exercise. No Subscription Fees No monthly fees, no hidden charges. Silent Notifications & Reminder The silent vibration smart ring utilizes gentle vibrations to notify you of calls, alarms, WhatsApp, WeChat, Ins, SMS, medication reminders, water intake, birthdays, anniversaries, and festivals. Perfect for discreet alerts in meetings, next to your partner, or in a library. The health tracker provides real-time alerts when it identifies abnormal heart rate, low blood oxygen, or high temperature enabling you to take action. Waterproof & Long Battery With a 5ATM waterproof rating, you can swim, dive, surf, or shower wearing this waterproof smart ring. Achieve 46 days of use from a 90minute charge, along with 25 days of standby time and offline data storage. Multi-Sport Tracking The activity monitoring ring tracks your steps, calories burned, and workout duration for activities such as running, walking, and cycling whether you're on a treadmill or a trail. It delivers a comprehensive performance evaluation to assist you in adjusting your goals with actual data