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⭐【Size Before You Buy】The KNGAD Smart Ring follows U.S. ring sizing standards. If you already know your U.S. ring size, you can order the health tracker ring in that same size. If you don’t know your U.S. ring size, we strongly recommend checking the U.S. ring size guide, measuring your finger circumference, and using that to determine your perfect fit.
⭐【Sleep Tracking Ring】Wear this smart health ring to bed—you won’t even feel it on your finger. Thanks to its ultra-thin design, tracking your sleep has never been easier. Just put it on before bedtime, and it’ll automatically and continuously monitor your sleep, including: Total sleep time, Sleep quality (deep sleep, light sleep, and awake periods). Check your 30-day sleep history in the app to gain insights into your sleep patterns and build healthier sleep habits over time.
⭐【Health Tracker Ring】This smart health ring features a high-precision advanced chip that continuously monitors your heart rate, HRV, and blood oxygen levels 24/7, giving you deeper insights into your health.You can also view your 30-day health history in the app to track trends and better understand your wellness over time.
⭐【Fitness Ring】This fit ring automatically tracks your steps, calories burned, and distance throughout the day. It features multiple sport modes, including: Running,Cycling, Jump, rope, Walking, Hiking, Yoga, Dancing, Golf and more. When you activate these modes, the app provides detailed workout data like: Exercise route, Duration, Steps, Heart rate, Speed, Calories burned, Distance. This gives you more effective exercise guidance to optimize your workouts.
⭐【NO Subscription Fees】Download the app for free and enjoy lifetime access at no cost—no hidden fees, no surprises. Just unlimited access to your smart ring’s features, guaranteed.
⭐【Long Battery Life】Full charge the ring health tracker in just 2 hours, lasts 3-5 days of normal use. Includes portable charging case (15 full charges the smart ring) , which extends usage to 60 days. Simply recharge the case when needed – perfect for continuous health monitoring. Charge your health rings effortlessly using the magnetic USB cable or the charging case.
⭐【Wide Compatibility】The ring tracker works with iOS 9.0 and higher, Android 5.0 and higher version mobile phones. This smart ring for women men is a perfect gift for anyone – whether for your husband, wife, parents, siblings, or friends.
8 reviews for Health Tracker Ring, Smart Health Ring for Women Men with Heart Rate, Blood Oxygen, Sleep Monitor, Steps,Calories, No Subscription Fee, IP68 Waterproof Smart Ring for iPhone & Android (Gold, 6#)
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$58.98

Supriya –
Great product !
Absolutely love how sleek and comfortable this ring is! It tracks my sleep, heart rate, and daily activity so accurately without feeling bulky like a smartwatch. The design is elegant — I can wear it anywhere, even to work or parties. Battery lasts nearly a week, and the app makes it easy to understand my health trends. Perfect for women who want something stylish and smart!
TECHnicallySmart –
Excellent Smart Ring with Accurate Tracking
Loving this ring already! It offers incredible value for the price and does everything I need by tracking my sleep, steps, heart rate, blood oxygen, and more. The data seems very accurate, and the app is simple and intuitive to use. Setup was a breeze; I had it up and running within minutes. You can charge it either in the included case or on its own, which is super convenient. It’s comfortable to wear, looks stylish, and after a couple of days of use, the battery is still at 98% which is impressive!
Juve Canizalez –
It works perfectly and is very practical.
I bought these ring sizers because I always had doubts when ordering rings online, and they really solved my problem. The set comes with several clear and easy-to-identify sizes. I tried each one and was able to find my exact size without any trouble.The material feels sturdy and comfortable when I tried them on. Plus, the sizes are clearly marked, so there’s no way to get them mixed up. Thanks to this, I was able to order a ring without worrying about it being too big or too small.If you need to know your size precisely, this sizer does the job without any hassle. Very useful and easy to use.
Tina Drost –
Good fit. Readings not accurate unfortunately
Fits well. BP reading is not accurate AT ALL. Way off from reading right. Easy to install app and user friendly. I like it for the step count. Tracks a lot of things but considering the BP reading is wrong I’m not sure if the other readings are correct.
Gene Boyington –
Good value
Good value comparison. No subscription needed is a big plus. Sleep doesn’t measure 100% accurately but is pretty close.
Rosa Villablanca –
Great Smart Ring!!!
I’ve been using this Health Tracker Ring for about two weeks now, and I’m honestly impressed. It’s lightweight, comfortable to wear all day and night, and it looks just like a stylish piece of jewelrym, I really like checking my sleep data in the morning, my heart rate and blood oxygen.The battery lasts several days and it charges quickly, this ring is a great choice. Totally worth it!
Cathy McDonnell –
good product
Functionality-wise, it delivers everything it promises. The heart rate and blood oxygen monitoring are accurate compared to my smartwatch, and the sleep tracking provides helpful insights about my rest quality. I also love how it automatically tracks steps and calories, making it easy to keep an eye on my daily activity without needing to check my phone constantly.
ylsorr2 –
Great Way of Tracking my health!
This is an awesome health ring. I have had it for about 2 weeks now and it seems to match my apple watch when tracking heart rate and also sleep patterns. I decided to purchase the ring because I don’t like sleeping in a watch. The only issue I had and returned to get a bigger size. My size ring on the finger I was going to wear it on is 7. I ordered 7 and it fits too tight. I ordered size 8 and it fits comfortable on finger. The app, I wish it had swim and water activities as sport function. For now I will use something close to it to track my progress. I will update my review if any changes. So far I am loving this ring.