Ring Health Tracker for Women Men, Fit Ring with Heart Rate, Blood Oxygen, Sleep Monitor, Calories, Step Counter, IP68 Waterproof Smart Ring for iPhone & Android, No Subscription Fee (Rose Gold, 8#)

✨【Size Before You Buy】The Tiantianka Smart Ring follows US ring sizing standards. If you know your US ring size, simply order the same size for a perfect fit. If you’re unsure of your size, we recommend getting our Tiantianka Sizing Kit to find your ideal fit for maximum comfort.

✨【Intelligent Sleep Tracker】: Equipped with a high-end chip, this sleep tracking ring can automatically monitor your sleep while you're sleeping at night. Monitor your falling asleep, waking up time, sleep quality (deep/light sleep) through graphs. You can view daily, weekly and monthly sleep data in the App, It helps you better understand your sleep and develop healthier sleep habits. The fitness rings for men is so lightweight and comfortable that you won’t even notice it while wearing it to bed.

✨【Health Tracker Ring】: This health tracker ring automatically tracks your heart rate, and blood oxygen levels 24/7 with precise accuracy. You can easily check all your daily, weekly and monthly health data right from the app.Tiantianka smart health ring provides you a more accurate monitoring information to help you explore a healthier lifestyle.

✨【Activity Tracker】: Our fit ring automatically tracks your daily steps, calories burned, and distance traveled. With multiple sport modes - including running, cycling, jump rope, walking, hiking, yoga, dancing, and golf - this ring health tracker provides comprehensive workout data through the companion App. Simply activate your workout mode to view detailed metrics like exercise route, duration, heart rate, speed, and calorie expenditure for more effective training guidance.

✨【NO Subscription Fees】: Your purchase includes lifetime access to both the ring health tracker and its companion App — no subscription fees, ever. Enjoy real-time health tracking by the smart ring without any extra fees. No subscription fees to download the App and use it for lifetime.

✨【Long Battery Life】: A quick 2-hour charge powers this smart ring for 3-5 days of continuous use. The chargeable charging case with 400 mah battery, it can fully charge the step counter ring for about 15 times, which greatly extending the usage time to 60 days. Ideal for frequent business travelers and outdoor enthusiasts, ensuring continuous health monitoring no matter where you are. You can charge the smart ring tracker with a magnetic USB cable or the charging case.

✨【Wide Compatibility】: The fitness rings for men women are compatible with Android 4.4 / iOS 8.4 or above smart phones. What you get includes: Tiantianka smart ring *1, 400mah charging case*1, magnetic USB charge cable*1, type C charge cable(for charging the charge case)*1 and instruction*1. This smart health ring is a great gift for men and women.

Smart Health Ring for Women Men, Fitness Tracker with 24/7 Heart Rate, Blood Oxygen, HRV, Sleep Monitor, Calories, Step Counter, IP68 Waterproof Fit Ring , No Subscription Fee, Health Tracker Ring, Fitness Rings for Men Women, Smart Ring for iPhone & Android. Utra Battery Life with big charge case. it's not a Medical devices and accessories.