Top 5 Best Sleep Trackers for Monitoring Blood Oxygen (SpO2)
If you’re shopping for a this year, it helps to know what actually stands out.
We compared dozens of products to figure out which ones are worth your attention.
One came out ahead.
1
Ultra Smart Ring for Women Men,Health Fitness Tracker with Sleep/Blood Pressure/Oxygen Monitoring, Heart Rate & Activity Tracking,IP68 Waterproof, 5+Day...
10
Amazon.com
2
Smart Watch Fitness Tracker (Answer/Make Call), 24/7 Heart Rate Spo2 Blood Pressure Monitor Sleep Tracker, 114 Sports Modes Pedometer Calorie Step Tracker,...
9.7
Amazon.com
3
Zeacool Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep Monitor, Activity Trackers 5 ATM Waterproof,Step Calorie Counter Pedometer...
9.3
Amazon.com
4
FITVII FINO 2 Slim Fitness Tracker, Smart Watch with Blood Oxygen, Sleep Monitor, 24/7 Heart Rate & Blood Pressure, IP68 Waterproof Health Activity Trackers...
9.1
Amazon.com
5
Anarow Smart Ring for Men Women – Fitness Tracker Ring with Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Step & Calorie Counter, No Subscription Fee,...
8.9
Amazon.com
Top Pick
This is the product that stood out most — for performance, price, and overall value.
Ultra Smart Ring for Women Men,Health Fitness Tracker with Sleep/Blood Pressure/Oxygen Monitoring, Heart Rate & Activity Tracking,IP68 Waterproof, 5+Day...
$99.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | fitness trackers |
| Warranty | 1 Year Manufacturer |
| Color | 1-Gold |
| Size | #10 |
- 【Mystic Runes × Smart Wellness Tracking】Ancient runes meet modern tech. This IP68 waterproof smart fitness ring features deeply etched runes, blending timeless style with advanced tracking. Unisex design discreetly monitors daily activity, rest, and movement—syncs instantly to your phone via Bluetooth. Whether you need a fitness tracker ring, sleep tracker ring, or unique anillo inteligente, it adds purpose and mystique to every day, even through hand washes or light rain.
- 【5+ Days Battery + Magnetic Charging Case】Long-lasting power for busy, water-friendly lives. Get up to 5 days per charge, plus a compact magnetic case for on-the-go top-ups. This IP68 smart health ring recharges in 45 minutes—ready for workouts, pool sessions, workdays, and everything in between.
- 【Durable Runes, Built to Last (Waterproof & Wear-Resistant)】No fading, no flaking—just tough, timeless style that stands up to water. Ancient-inspired runes are deeply engraved and sealed with a wear-resistant, waterproof finish. Perfect as a fitness ring for men and women, it holds up through gym sessions, swimming, hand washes, and daily wear without compromising performance.
- 【8 Activity Modes – Track Through Water & Sweat】Run, yoga, hike, cycle, or even swim—and more. This IP68 activity tracker ring logs steps, duration, and movement patterns across 8 modes, staying reliable through sweat, rain, or pool time. A sleek health tracker ring for anyone prioritizing wellness without letting water slow them down.
- 【Smart Sync + Multi-Device Support】Works with iOS & Android, plus 20+ languages—waterproof design included. Easily share health insights with family, friends, or fitness communities. Whether you’re new to tracking or a wellness pro, this water-resistant ring that tracks health is the stylish, durable upgrade you’ve been waiting for.
Top Picks Compared
Here are the other options we recommend. Each brings something different to the table, depending on what you’re looking for.
Ultra Smart Ring for Women Men,Health Fitness Tracker with Sleep/Blood Pressure/Oxygen Monitoring, Heart Rate & Activity Tracking,IP68 Waterproof, 5+Day...
$99.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | fitness trackers |
| Warranty | 1 Year Manufacturer |
| Color | 1-Gold |
| Size | #10 |
- 【Mystic Runes × Smart Wellness Tracking】Ancient runes meet modern tech. This IP68 waterproof smart fitness ring features deeply etched runes, blending timeless style with advanced tracking. Unisex design discreetly monitors daily activity, rest, and movement—syncs instantly to your phone via Bluetooth. Whether you need a fitness tracker ring, sleep tracker ring, or unique anillo inteligente, it adds purpose and mystique to every day, even through hand washes or light rain.
- 【5+ Days Battery + Magnetic Charging Case】Long-lasting power for busy, water-friendly lives. Get up to 5 days per charge, plus a compact magnetic case for on-the-go top-ups. This IP68 smart health ring recharges in 45 minutes—ready for workouts, pool sessions, workdays, and everything in between.
- 【Durable Runes, Built to Last (Waterproof & Wear-Resistant)】No fading, no flaking—just tough, timeless style that stands up to water. Ancient-inspired runes are deeply engraved and sealed with a wear-resistant, waterproof finish. Perfect as a fitness ring for men and women, it holds up through gym sessions, swimming, hand washes, and daily wear without compromising performance.
- 【8 Activity Modes – Track Through Water & Sweat】Run, yoga, hike, cycle, or even swim—and more. This IP68 activity tracker ring logs steps, duration, and movement patterns across 8 modes, staying reliable through sweat, rain, or pool time. A sleek health tracker ring for anyone prioritizing wellness without letting water slow them down.
- 【Smart Sync + Multi-Device Support】Works with iOS & Android, plus 20+ languages—waterproof design included. Easily share health insights with family, friends, or fitness communities. Whether you’re new to tracking or a wellness pro, this water-resistant ring that tracks health is the stylish, durable upgrade you’ve been waiting for.
Smart Watch Fitness Tracker (Answer/Make Call), 24/7 Heart Rate Spo2 Blood Pressure Monitor Sleep Tracker, 114 Sports Modes Pedometer Calorie Step Tracker,...
$99.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | aa754db2-b86f-4905-a9c8-4ed415595b96 |
| Warranty | 1 Year |
| Color | Black |
- 【Bluetooth Calls & Messages Notifications】You can easily make/answer calls, store contacts and view call history on the fitness watch with just one Bluetooth connection. Get vibration alerts for all notifications, including phone calls, SMS texts, email and App message ( Facebook, Twitter, WhatsApp, and more). Never miss a message with smart notifications delivered right to your smartwatch. The 1.57" HD bright color large display allows you to read whole message content without scrolling multiple times.
- 【24H Accurate Health Monitoring】Smart watches for women adopt advanced sensors to accurately monitor your 24/7 blood oxygen, blood pressure and heart rate. Smart watches for men can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality including deep sleep, light sleep, and wake-up times. You can view real-time data on this running watch at any time, or view the recorded continuous data and analysis reports on the App.
- 【114+ Sports Modes & All-Day Activity Tracking】Smart watches monitor your steps, distance and calories burned all the day to help you achieve your fitness goals more efficiently. It supports more than 114 sports modes, including running, cycling, walking, yoga etc., and can accurately record your heart rate, steps, calorie consumption, distance and duration in real time during exercise. You can view the data at any time through the watch or [FitCloudPro] App which can provide better guidance for your fitness and exercise plans.
- 【Long Battery Life & IP67 Waterproof】Simply charge the fitness tracker watch with a magnetic USB cable. 230mAh large capacity and low power consumption design offers longer endurance. With 2 hrs of charging, it supports 3-7 days of heavy use and about 30 days of standby time. The smart watches features an IP67 waterproof rating, making it resistant to water splashes, sweat, and light rain. Wear the android smart watch confidently during your everyday activities, including washing hands or engaging in light water-related tasks.
- 【Multiple Practical Functions】The activity trackers and smartwatches with various smart features including menstrual cycle reminder, breathing training, drinking water reminder, sedentary reminder, voice assistant, weather, music, stopwatch, timer, alarm, calculator, find phone, camera control, do-not-disturb mode, making it a convenient assitant in your life. There are 12-hour or 24-hour time display format options and ℉/℃ options, set one style that fits your routines mostly. Double straps, one regular and one extended silicone strap to meet the needs of different people.
- 【Superb Visual & Operational Experience】1.57" fitness watches for women are equipped with the latest ultra hd full touch color screen, delivering exceptional picture quality and highly responsive touch sensitivity, which brings you a unique visual and better interactive experience. Express your unique style with over 150 free watch faces in the App or your favorite photo in your phone album, keep your wrist as dynamic as your lifestyle. Fitness watches for men support iOS 9.0 / Android 4.4 or above smartphones.
Zeacool Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep Monitor, Activity Trackers 5 ATM Waterproof,Step Calorie Counter Pedometer...
$28.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | SF20250701B0FCF3355F_B0FCF3355F_1_u7aQtS |
| Warranty | 180-day warranty |
| Color | Black |
- 24/7 Heart Rate Monitor :This blood pressure watch supports real-time dynamic heart rate, blood oxygen, blood pressure ,Sleep Tracking,temperature monitoring so you can know more about your physical condition
- 1.10 inch AMOLED HD Touch screen: The Stopwatch pairs flawlessly with the Skin-friendly fitness straps, while its 1.10 inch AMOLED HD Touch Color Screen design and multitude of invigorating watch faces blow you away any moment
- 25 Sport Modes Activity Tracker: you can select any number of sports modes in the app as your exclusive sports mode to record your sports data.can record all daily health data such as steps, distance, and calorie consumption in the App "Keep Health"
- 5 ATM Waterproof activity & fitness trackers :step counter for walking Designed according to waterproof and dustproof standard, you can wear it when washing hands, taking bath, swimming, diving or getting caught in the rain will not damage your watches
- Multiple Convenient Functions :This smart band has multiple functions such as remote photography, mobile search, drinking water reminder, sedentary reminder, menstrual reminder cycle, real-time weather display, etc
- Battery Life & Compatibility: running watch Regular use up to 10-14 days, standby for 30 days. step tracker use magnetic fast charging provides better endurance experience.This whoop band is suitable for iPhone and android smartphone
- Pursuing 100% High Quality calorie tracker watch: If you have any questions or requirements during use, please feel free to contact us at our email address. We will do our best to solve your problem. The best gift for lovers, friends, family
- Sleep Tracking & Sleep Score:The Smart watches monitors your sleep and analyzes your sleep quality through Deep Sleep, Light Sleep, Awake stage, gives you a nightly sleep score in the app, leading a healthy lifestyle
FITVII FINO 2 Slim Fitness Tracker, Smart Watch with Blood Oxygen, Sleep Monitor, 24/7 Heart Rate & Blood Pressure, IP68 Waterproof Health Activity Trackers...
$47.99
$69.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | FINO 2 |
| Warranty | 1 year |
| Color | Black |
| Size | 1.45 |
- Comprehensive Health Indicators Monitoring: This slim smart fitness tracking watch provides sleep, blood oxygen, 24-hour heart rate and 24-hour blood pressure monitoring. You can conveniently view these real-time health indicators from your wrist anytime, anywhere, and view recent data records in the APP. FITVII Fitness Tracker provides you a more accurate monitoring information to help you explore a healthier lifestyle.
- Intelligent Sleep Monitoring & Analysis: Monitor your falling asleep and waking up time (light and deep sleep) through graphs and charts to better record your sleep quality. You can view daily, weekly and monthly sleep data in the app, helping you better adjust your habits to improve sleep quality. You can also set a silent alarm to wake you up by buzzing without disturbing others.
- Multiple Sports Modes & Activity Tracker: This fitness tracker watch has multiple sports modes such as running, basketball, walking,climbing,cycling,yoga, and elliptical. As an activity pedometer, it can record calories burned, steps, distance, and speed in real-time and accurately. You can also set exercise goals through the app to encourage a healthy life. Whether you go to an indoor gym or run outdoors, this fitness watch fits perfectly into your daily life and lets you enjoy your workout to the fullest!
- Real-Time Notifications For Incoming Calls & Messages: Incoming calls, text messages, and app messages (including Facebook, X, WhatsApp, Ins, Messenger, etc.) can be received and read on your wrist. When an incoming call comes in, you can view the caller's name or phone number on your watch to decide if you need to answer the call on the phone.
- Your Reliable Life Assistant: Blood pressure monitoring for Women and Men adds a healthy lifestyle to your life, through the [FitCloudPro] App you can easily realize sedentary reminders, water reminders, menstrual cycle reminders, weather push, remote photo taking, find your phone, and set the alarm clock, making it a thoughtful assistant in your life.
- 1.47"Touch Screen & 89+Dials: This 1.45" IP68 Waterproof fitness tracker watch has an ultra-high-definition color touch screen made of TFT material, which has higher color saturation, clearer pictures, and smoother operation. [FitCloudPro] There are more than 89 different styles of watch faces for you to choose from, and you can upload pictures to customize your watch faces.
Anarow Smart Ring for Men Women – Fitness Tracker Ring with Heart Rate, SpO2, Blood Pressure, Sleep Monitoring, Step & Calorie Counter, No Subscription Fee,...
$119.99
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | R10M |
| Model | R10M |
| Warranty | 1 year manufacturer |
| Size | #9 |
- 【Select the Right Size】: Before purchasing the Anarow smart health ring, please refer to our detailed size chart and measure your finger circumference to ensure the most accurate and comfortable fit. The health ring is available in 8 sizes (non-adjustable), designed for all-day wear with a sleek, secure fit. If between sizes, choose the larger one for comfort and more stable sensor contact
- 【All-Day Health Monitoring】: Stay on top of your wellness with continuous tracking of heart rate, blood pressure, and SpO2. Track deep, light, and REM sleep cycles for better rest. View daily and weekly health insights in the SmartHealth app; no hidden costs, just effortless health tracking with this smart health ring. Note: The smart ring is for reference only and should not be used as a professional diagnostic device
- 【Fitness Tracker Ring】: The Anarow waterproof fitness tracker ring records steps, calories, and distance all day. It supports 8 sport modes—running, cycling, ropeskipping, walking, mountaineering, yoga, golf, and dancing. The SmartHealth app shows route, duration, heart rate, speed, calories, distance, etc., Note: The smart ring is for reference only and should not be used as a professional diagnostic device
- 【Hands-Free Photography】: Capture every moment with the Anarow smart rings for men. Take photos effortlessly by shaking your finger twice to activate your phone’s camera; perfect for selfies, group shots, and spontaneous moments without extra equipment; enjoy hands-free convenience and capture stunning memories anytime
- 【Dual Charging & Long Battery Life】: Stay powered with this sleep ring tracker, which recharges in just 60 minutes using the included cable or the 400 mAh charging case for multiple charges on the go; lasts 3-5 days with normal use and up to 7-10 days on standby; (actual time varies by usage and features enabled); compatible with Android 5.1/iOS 8.0 and above for seamless everyday integration
- 【Durable Waterproof Design】: Anarow smart ring is made of high-quality materials with a fully enclosed structure for lasting durability. With a 5ATM waterproof rating, it is safe for swimming, workouts, and daily wear—resistant to sweat, rain, and splashes while maintaining long-term reliability
- 【Seamless Connectivity】: The Anarow activity tracker ring for men, designed for effortless synchronisation, connects via Bluetooth for real-time updates; view detailed health reports in the SmartHealth app without any subscription fees; enjoy a smooth, user-friendly experience for easy wellness management
- 【Ideal Gift Choice & 8 Sizes】: Available in 8 sizes for a natural fit. With its sleek design and wellness features, it makes a thoughtful gift for Back-to-School season, Labour Day, Veterans Day, Thanksgiving, Christmas, or New Year—bringing care and connection to those you value
- 【Exceptional Support】: Our customer support team is ready to help with any questions through Amazon messages. We aim to provide quick, effective solutions for a worry-free experience
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