Marcus Smart Rings of 2025
Best Choice1
OURAOura Ring 4 - Brushed Silver - Size 10 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
Main highlights- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring
- LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style
- LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, Oura Ring Chargers
- DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
- ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
9.9Exceptional
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Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money2
RingConnRingConn Gen 2, World’s First Smart Ring with Sleep Apnea Monitoring, No APP Subscription, 12-Day Battery Life, Stress/Heart Rate/Women's Health Tracker, Android & iOS Compatible (Silver, Size 8)
Why we love it
Tracks sleep apnea accurately.
No subscription fees required.
Long battery life up to 12 days.
9.7Exceptional
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3
KNGADHealth 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 (Black, 9#)
Main highlights- 【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.
- 【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.
- 【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.
- 【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.
- 【Health Tracker Ring】This smart health ring features a high-precision advanced chip that continuously monitors your heart rate, blood pressure, 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.
9.5Excellent
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4
OucscruSmart Ring For Women Men, Health Tracker with Heart Rate/Blood Oxygen/Blood Pressure/Sleep Monitoring/Step Counting, IP68 Waterproof Fitness ring, No App Fees for iPhone & Android (Silver, 7#)
Main highlights- 【Remote Photography & Family Care】 Supporting the remote photo function, users can remotely control the phone to take photos when needed. Just shake your finger twice quickly and the shutter button will be pressed, The SmartHealth app Allows multiple family members to share health data through connected accounts for comprehensive family health monitoring
- 【Real-time Health Tracking Smart Ring】 Smart rings monitors heart rate, blood oxygen levels, sleep patterns, and daily activity in 24 hours a day with detailed metrics and analysis, helping you manage your physical health indicators
- 【Please Measure Size Before Buying】Before purchasing your Oucscru smart ring, we strongly recommend that you refer to the size chart and measure the circumference of your finger to ensure the most comfortable fit and to avoid unnecessary returns or exchanges
- 【Lightweight & Durable Design】 2mm thickness with a specially polished inner surface rating ensures the ring can Comfortable for everyday wear while tracking fitness and health metrics
- 【Intelligent Sleep Monitoring】 Sleep ring tracks deep sleep, light sleep, and REM cycles with detailed sleep quality analysis and duration measurements, You can view various metrics in the app at any time and adjust your lifestyle based on the reports
- 【IP68 Waterproof & Ring Protector】 The Fitness Ring With an IP68 waterproof rating. Whether it's daily hand washing, showering, or swimming and diving can be worn, support depth waterproof, Ring protector protects your ring from knocks in daily life, fitness, outdoor sports
- 【Extended Battery Life & Multiple Charging Options】 After Health Tracker Ring is fully charged, it can be used continuously for up to 5-7 days,Features a 300mAh charging case for outdoor use and convenient USB charging capability for indoor charging
9.4Excellent
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5
MilavanSmart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No Subscription Fee, Gold 11
Main highlights- 【Sport & Fitness Stylish Partner】Upgraded to a slim 2mm thickness with a specially polished inner surface,making it comfortably suited for most sports.Activate sports modes to receive data from the app, helping you achieve more effective guidance
- 【Size Before You Buy】Before purchasing the Milavan Smart Ring, we highly recommend referring to the size chart and measuring your finger circumference to ensure the most comfortable fit and avoid unnecessary returns or exchanges
- 【Remote Capture & Friend Feature】The app supports remote photo control to effortlessly capture great moments. It also includes a care mode for sharing health data with others, making it an ideal gift choices for friends, couples and family care
- 【Long Battery & Wide Compatibility】 This smart ring lasts 3-5 days on a 1-2 hour charge. It is compatible with Android 5.0+ and iOS 9.0
- 【Intelligent Sleep Tracker】The fitness ring automatically monitors your sleep quality. It can record deep & light sleep duration, eye movement, and wakefulness. You can view various indicators anytime in the app and adjust your lifestyle based on reports
- 【Health Monitoring】The slim ring features advanced 4.0 sensors that automatically measure your heart rate, blood oxygen, and blood pressure every 30 min when worn. It provides continuous health tracking and comprehensive wellness management all day
- 【8 Sports Modes Tracking】Such as Running, Cycling, Skipping Rope, Walking, Hiking, Yoga, Dancing, and Golf. The smart ring automatically tracks the workout route, sport time, steps, heart rate, speed, calories burned, and distance in the app
9.2Excellent
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6
MagLoopSmart Ring Health Tracker for Men/Women,Fitness Ring Sleep Tracker,Fast Charging for Long-Lasting Use,for Pedometer Exercise,Monitor Sleep, Heart Rate, Stress,Waterproof (Sizing Kit, Sizing Kit)
Main highlights- Wearing Position : The smart ring should fit securely and comfortably at the base of the finger.The sensor inside the ring should be oriented towards the palm of your finger, which will help the accuracy of the measurement.
- The rings in the ring sizer measuring tool are made of plastic and are only intended to be used as a sizing reference when choosing the right ring.
- Sizing Kit: When you are unsure of your ring size, this sizing kit will help you choose the perfect ring size for you.
- How To Choose: It is recommended that you wear the ring for at least 24 hours to confirm sizing and comfort. A ring that does not fall off or rotate with normal movement is considered to be the correct size.
- Finger Selection: Fits all fingers, regardless of right or left hand. Size the ring according to the exact size of the finger you intend to wear it on.
9.0Excellent
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7
SEEKZEROSEEKZERO Smart Ring-Size First Before You Buy, No APP Subscription,7-10 Days of Use,Sleep & Activity Real-Time Monitor, Stress/Heart Rate/SPO₂ Tracker, Compatible with iOS and Android (Black, 8)
Main highlights- 【Real-time Accurate Sleep and Fitness Monitoring】 SEEKZERO smart ring tracks your sleep quality and daily activities in real time. With advanced sensors, it provides precise data about your sleep cycle, helping you optimize rest and recovery. Whether you are tracking steps, calories or exercise performance, this smart ring can provide you with the most accurate insights to support your fitness goals and enhance your overall health.
- 【No APP Subscription Required】 Say goodbye to hidden fees! The SEEKZERO smart ring does not require any APP subscription, giving you full access to all its features without ongoing payments. Just wear it and track your health and exercise metrics, everything is a breeze.
- 【Fully Compatible with IOS and Android Devices】 Whether you’re an iPhone or Android user, the SEEKZERO smart ring is fully compatible with both platforms. Sync seamlessly with your device to analyze and track your health data, stay motivated, and take control of your fitness journey with ease.
- 【Ensure the Perfect Fit with Size Kit】 To make sure your SEEKZERO smart ring fits perfectly, we recommend purchasing a size kit. The kit helps you determine the right size, ensuring a comfortable and secure fit for accurate tracking of your health metrics. Don't guess—get the perfect size and enjoy optimal performance from your ring.
- 【Easy Setup for First-Time Use】 To start using your SEEKZERO smart ring, simply charge it to activate. After charging, download the companion app, enable Bluetooth on your phone, and open the app to connect the ring for a seamless sync.
- 【Comprehensive Stress,Heart Rate and SPO₂ Tracking】 The SEEKZERO smart ring is more than just simple activity monitoring. It continuously tracks your stress levels, heart rate and SpO₂, giving you a comprehensive understanding of your physical and mental health. With real-time data, you can manage stress, monitor cardiovascular health and ensure oxygen levels are optimal, helping you stay in tune with your body's needs and make healthier lifestyle choices.
- 【7-10 Day Battery Life】 With a 7-10 day battery life, the SEEKZERO smart ring ensures continuous health monitoring without frequent charging. Whether you are tracking sleep patterns or fitness activities, you can count on long-lasting performance without constant interruptions.
8.7Very Good
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8
RingConnRingConn Gen 2 Air, Ultra-Thin AI Smart Ring, 10-Day Battery Life, Fitness/Sleep/Stress/HR Tracker for Women&Men, No App Fee for Standard Features, iOS & Android Compatible (Size 11, Dune Gold)
Main highlights- [What You Get] RingConn Gen 2 Air *1, Charging Dock *1, 1m/3.3ft USB-C to C Cable *1, user manual *1, efficient customer support and service
- [Waterproof for Every Adventure] With an IP68 waterproof rating (ensuring exceptional waterproof performance tested to depths of 100m/328ft), RingConn Gen 2 Air withstands daily activities like handwashing, showers, and rain, as well as water sports including swimming and diving. Designed to stay on through it all, its durable construction prevents water damage and ensures long-lasting performance
- [Size Before You Buy] RingConn Gen 2 Air uses unique sizing standards, different from standard ring sizes. Purchase RingConn Sizing Kit to find the most accurate and comfortable fit for your finger
- [No-Feel Wearing] Experience a comfortable, stylish design with a super-thin 2mm profile and only 2.5g weight. Won't interfere with your movement whether you're working out, running, diving, or engaging in any physical activity, and stays comfortable without distracting you when sleeping or working
- [No Subscription Fee for Standard Features] Unlock the lifetime use of essential standard features on the RingConn Smart Health Monitoring App with your RingConn Gen 2 Air Smart Ring. Experience continuous, real-time health tracking and personalized insights
- [New Feature Find Your Ring] The newly launched APP feature provides effortless ring tracking and retrieval with intuitive step-by-step guidance, saving time and effort. Enjoy peace of mind knowing your ring is always within reach
- [Longer Battery Life] Enjoy up to 10 days of uninterrupted power with a single full charge that completes in just 90 minutes. Stay powered through your busy schedule without frequent recharging and efficiently maintaining continuous long-term data collection
- [HSA/FSA Eligible] RingConn Gen 2 Air is HSA/FSA approved. Easily use your Flexible Spending Account or Health Savings Account to make a purchase
- [AI-Powered Health Insights] RingConn Gen 2 Air Smart Ring integrates AI with multi-sensor data to continuously track key health metrics like sleep, heart rate, stress levels, blood oxygen, physical activity, and menstrual cycles. Its built-in AI assistant delivers your personalized report and guidance to enhance your wellness and daily habits
8.5Good
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9
Uni-GreenSmart Ring,Smart Health Ring for Women Men, Smart Ring Fitness Tracker, Health&Sleep Tracker,IP68 Waterproof,Remote Camera Control,No App Fee for Standard Features, for iPhone & Android(Black, 9#)
Main highlights- 【Ultra-Thin,Non-sense and More Comfortable to Wear】Our Smart Ring has been upgraded to be thinner, lighter, narrower, and more lightweight than other products. The innovative design of the health ring not only reduces the weight, but also optimizes the size so that the ring fits the curve of the finger better. Our Smart Ring is more ergonomic and provides a more refined and elegant wearing experience.
- 【Real-Time Health Monitoring】The Smart Ring has the latest sensors that can track heart rate, blood oxygen and other data 24 hours a day. The smart ring continuously monitors health, daily activities and sleep patterns to ensure that you have the latest understanding of your overall health. And you can view daily, weekly and monthly health data in the app. The women's health ring provides you with more accurate monitoring information.
- 【ONE APP & Easy to Connect】After purchasing our smart ring, you can enjoy all the basic standard features of Ours Ring on the LuckRing App. After downloading the app, you can easily connect to the smart ring using Bluetooth. Enjoy real-time health tracking and easily manage your health (including sleep, activity, stress, heart rate, heart rate variability, skin temperature, etc.) through the app.
- 【Know Your Size Before Purchasing】Before purchasing the Uni-Green smart ring, we strongly recommend that you refer to the size chart and measure the circumference of your finger to ensure a comfortable fit and avoid unnecessary returns and exchanges(Available in sizes 7-13). Our ring is upgraded to a 2mm slim design with a specially polished inner surface, which is comfortable to wear and suitable for most sports. Activate the sports mode to receive data from the app to help you get more effective guidance.
- 【IP68 Waterproof& Gesture Remote Control】This Smart Ring is made of high-quality materials, fully enclosed structure, IP68 waterproof technology, no need to take it off when washing hands, swimming, bathing, very suitable for daily wear, can be used with confidence. The smart ring can be remotely controlled for taking pictures, flipping through e-book pages and switching short videos. Just tap your fingers twice in the air to enjoy easy air gesture control, easily freeing your hands.
- 【Fast Charging & Long Battery Life】Charging is convenient and fast, with super strong magnetic attraction, charging is done by just sticking it on; No matter where you are, you can ensure continuous health monitoring. The Fitness Ring is a practical and meaningful choice.
8.3Good
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10
FKGZJFHealth Rings for Women Men, Fitness Tracker with Heart Rate,Blood Oxygen, Blood Pressure, Sleep Tracker, Step Tracker, No Subscription Fee, IP68 Waterproof Smart Ring for iphone & Android (Gold, 14#)
Main highlights- 【Track Your Health from Your Finger】: This slim smart health ring for women men provides 24-hour blood oxygen, 24-hour heart rate and 24-hour blood pressure monitoring. You can conveniently view these real-time health indicators from your wrist any time, any where, and You can view daily, weekly and monthly health data in the App. Smart health ring for women provides you a more accurate monitoring information to help you explore a healthier lifestyle.
- 【Size Before You Buy】Before purchasing the FKGZJF Smart Ring, we highly recommend to buy the FKGZJF Sizing Kit to determine the most comfortable and suitable size for your finger, avoiding the inconvenience of returns and exchanges. The FKGZJF Smart Ring is designed according to the US ring standard, if you know your US ring size, then you can also buy the FKGZJF ring with the same US size.
- 【NO Subscription Fees】: After purchasing the fit ring, you can enjoy lifetime free access to the smart health application. Enjoy real-time health tracking around the smart ring without any extra fees. No subscription fees to download the App and use it for lifetime.
- 【Long Battery Life】: The FKGZJF Smart Ring has a battery life of up to 3-5 days on a 2 hrs charge. We offer a free portable charging case with 400 mah battery, it can fully charge the smart ring for about 15 times, which greatly extending the usage time to 60 days. You can also charge the charging case, then you can use it to charge the smart ring 15 times again. Ideal for frequent business travelers and outdoor enthusiasts, ensuring continuous health monitoring no matter where you are.
- 【Intelligent Sleep Tracker】: Your favorite sleep tracker is now wrapped around your finger. this health rings for men women can also automatically monitor your sleep. Monitor your falling asleep, waking up time, sleep quality (deep sleep and light sleep) through graphs. You can view daily, weekly and monthly sleep data in the App, helping you better adjust your habits to improve your sleep quality. Fitness ring is so comfort, you won’t even notice it’s there while it monitors your sleep.
- 【Easy to Charge and Wide Compatibility】: Simply charge the smart rings for women men with a magnetic USB cable or the charging case. The smart rings for women men are compatible with Android 4.4 / iOS 8.4 or above smart phones. What you get includes: FKGZJF 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 ring tracker is a great gift for men and women.
- 【Activity Tracker & Multiple Sport Modes】: The fitness rings for men women automatically track your steps, calories burned and distance throughout the day. This smart ring has multiple sports modes such as running, cycling, skipping rope, walking, hiking, yoga, dancing, golf and more. Active these sport modes, you will get workout route, sport time, steps, heart rate, speeds, calories burned and distance from the App, to provide you with more effective exercise guidance.
8.2Good
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