Attention, fitness enthusiasts and health-conscious individuals! In an era where well-being takes center stage, staying on top of your fitness goals and health metrics has never been more essential. 

One crucial aspect of monitoring your overall health is keeping a close eye on your blood oxygen levels, especially during physical activities and rest. To help you on your journey to peak performance and optimal health, we've compiled a list of the top fitness trackers for monitoring blood oxygen. 

In this comprehensive guide, we'll walk you through the essential features and benefits of the most cutting-edge fitness trackers designed to provide accurate and real-time blood oxygen data. Whether you're an athlete striving for peak performance or simply someone committed to a healthier lifestyle, this guide will empower you to make informed choices and take charge of your well-being. 

So, let's dive in and discover the fitness trackers that can elevate your health and fitness journey to new heights.

How We Choose

When searching for the best fitness trackers to monitor blood oxygen levels, consumers often face a daunting task due to the overwhelming number of options available on the market. The abundance of choices can lead to confusion and uncertainty, making it challenging to make an informed decision.

I've personally read thousands of reviews on Amazon to find the top fitness trackers for blood oxygen saturation levels. The frustration of sifting through countless product listings and conflicting opinions can leave consumers feeling overwhelmed and uncertain about which fitness device will truly meet their needs.

In response to this challenge, I've taken it upon myself to thoroughly research and analyze the available options. By carefully examining user reviews on Amazon, I've identified the top fitness trackers that consistently receive positive feedback for their accuracy and reliability in monitoring blood oxygen levels. In this guide, I will share my findings and recommendations to simplify your decision-making process and help you choose the perfect blood oxygen sensor for your health and fitness goals.

Proyoo Fitness Tracker

With Blood Oxygen Monitor

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Why We Love It

Introducing the Proyoo Fitness Tracker with 24/7 Blood Oxygen Monitoring – Your Ultimate Health Companion!

Are you looking for a fitness tracker that effortlessly keeps tabs on your heart rate, blood pressure, and blood oxygen levels? Look no further! The Proyoo Fitness Tracker offers all these features and more, making it a must-have device for health-conscious individuals like you.

Say goodbye to the inconvenience of downloading and linking apps. With the Proyoo Fitness Tracker, you can monitor your vital health metrics without any extra steps. It's as easy as strapping it on your wrist and letting it do the rest.

Don't just take our word for it; customers have put Proyoo to the test. The data provided by this remarkable device has been independently verified for precision. In fact, some users have taken it to their doctor's offices and were pleasantly surprised to find that the readings were impressively close to the equipment used by medical professionals.

Monitoring your blood oxygen levels is crucial for a comprehensive understanding of your overall health. Proyoo offers continuous blood oxygen monitoring, ensuring you stay informed about your body's oxygen saturation levels day and night.

Whether you're an active athlete striving for peak performance or simply want to maintain a healthier lifestyle, Proyoo is designed with your well-being in mind. It empowers you to take control of your health journey, providing you with valuable insights and data to make informed decisions.

Invest in your health and elevate your fitness tracking experience with the Proyoo Fitness Tracker. With its user-friendly design, accurate measurements, and 24/7 blood oxygen monitoring, it's the perfect companion to help you achieve your health and wellness goals. Don't miss out on the opportunity to own a device that puts your health first.

What You Should Know

Discover the exceptional features of the Proyoo Fitness Tracker that make it the ideal companion for your health and wellness journey. Its slim and lightweight design, weighing just 35g and boasting an ultra-sleek 89mm watch case thickness, ensures all-day comfort and a snug fit on your wrist. 

With comprehensive health insights readily available at your fingertips, this tracker provides continuous monitoring of crucial metrics, including blood pressure, heart rate, and blood oxygen levels, offering a holistic view of your well-being. Empower your fitness endeavors with accurate tracking of steps, distance, calories burned, and more, motivating you to reach your goals. 

Enjoy extended usage with up to 7-10 days of battery life on a single charge and the convenience of quick recharge technology, ensuring uninterrupted usage in as little as 20 minutes. Plus, its waterproof design allows you to embrace versatile activities, from enduring light rain to intense sweat sessions and even invigorating swims in the pool. 

TOZO S2 44mm Smart Watch

With Blood Oxygen Monitor

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Why We Love It

The TOZO S2 Smart Watch is an excellent device that will truly transform your daily routine. From beach vacations to everyday life, this smartwatch is the ultimate companion that seamlessly adapts to any situation. 

Its slim and stylish profile effortlessly elevates any outfit, whether you're dressing formally or keeping it casual. The vibrant and crystal-clear display ensures easy readability, even under the blazing sun, providing a smooth user experience throughout your day.

Functionality-wise, this smartwatch exceeds expectations. Its extensive health and fitness tracking features keep you motivated and accountable on your wellness journey. The heart rate monitor and step counter provide invaluable insights into your overall well-being, essentially serving as a personal health coach on your wrist.

And the highlight? The TOZO S2 boasts an advanced blood oxygen sensor, making it a standout tracker for monitoring oxygen levels. It's your trusted companion for maintaining a comprehensive view of your health.

Whether you're at the beach, the office, or the gym, the TOZO S2 Smart Watch is designed to seamlessly integrate into your life. Get ready to revolutionize your daily routine and elevate your health with this exceptional smartwatch. Order yours today and experience the difference for yourself!

What You Should Know

This fitness device boasts an impressive array of features designed to enhance your daily life. 

With Amazon Alexa built-in, it's more than just a watch; it's your personal assistant. You can effortlessly ask questions, play music, check the weather, set alarms and timers, and more by simply speaking to your watch. Plus, the built-in microphone allows you to interact with your smartwatch via Bluetooth-connected phone, adding a new level of convenience to your day. 

Its 1.69-inch large HD color touch screen offers a visually captivating experience with smooth operations and a crisp 240x280 resolution. Beyond its sleek design, the TOZO S2 is a comprehensive health companion, accurately monitoring your heart rate in real-time and providing detailed insights into your sleep quality by continuously tracking your sleep patterns. 

Stay informed, connected, and on top of your well-being with this feature-packed fitness tracker.

CanMixs Smart Watch Fitness Tracker

With Blood Oxygen Monitor

Check Price on Amazon

Why We Love It

Discover the CanMixs Smart Watch with Blood Oxygen Monitor – a game changer in smart wearables!

If you've been on the hunt for the perfect smartwatch, your search ends here. The CanMixs Smart Watch is a standout among its peers, and here's why. It's more than just a watch; it's your ultimate companion packed with all the essential features you'd expect from a smartwatch. With customizable interfaces, you can switch up your watch face to match your style effortlessly. Plus, its impressive battery life keeps you powered up for a week, so you can wear it around the clock without missing a beat.

Setting up this smartwatch is a breeze, making it a hassle-free addition to your daily routine. As a bonus, it even comes with an extra band, and if you ever want to switch things up, additional bands are budget-friendly.

But here's the real game-changer: the CanMixs Smart Watch excels when paired with Android phones. It's designed for seamless compatibility, ensuring a smooth and integrated experience. And the icing on the cake? It's equipped with blood oxygen sensors, making it an invaluable tracker for monitoring your blood oxygen levels.

What You Should Know

This smartwatch combines functionality with elegance, making it a standout choice for both men and women. With a sleek square display and a vibrant 1.4-inch colorful screen boasting 240x240 pixels resolution, the watch offers clarity and brightness like no other. Its metal case not only adds to its stylish design but also ensures durability. Plus, the smart display lights up automatically when you lift your wrist, enhancing convenience.

When it comes to fitness and health tracking features, this smartwatch is your perfect partner. It accurately records your steps, calories burned, heart rate, and sleep stages, and even monitors essential health indicators like Blood Pressure and Blood Oxygen levels. With support for 8 sports modes, including walking, running, swimming, and more, it offers detailed insights into your daily activities.

But that's not all; this smartwatch goes the extra mile by constantly monitoring your heart rate, Blood Pressure, and Blood Oxygen levels throughout the day. With real-time data available on your wrist, you can gain valuable insights into your health and make informed lifestyle adjustments. Elevate your fitness journey and take control of your well-being with this remarkable smartwatch. Experience the perfect blend of style and functionality – order your Waterproof Smart Watch today!

Best Fitness Trackers for Blood Oxygen FAQs

When it comes to choosing the best fitness tracker for monitoring blood oxygen levels, consumers often find themselves with a multitude of questions, making the selection process challenging and overwhelming.

Questions like "Which tracker offers the most accurate blood oxygen readings?" or "Is there a budget-friendly option with reliable blood oxygen monitoring?" can leave potential buyers feeling uncertain about which product suits their needs best. The abundance of choices and varying features can make it difficult to make an informed decision.

Fortunately, we've compiled a list of the most frequently asked questions about the best blood oxygen sensor for you. In this comprehensive guide, we address these common queries and provide expert insights to help you navigate through the choices effectively. Whether you're concerned about accuracy, compatibility, or budget constraints, our answers will empower you to make a well-informed decision and choose the ideal tracker to monitor your blood oxygen levels accurately. Say goodbye to confusion and hello to confidence in your health-tracking journey.

Can a Fitness Tracker Measure Blood Oxygen?

Yes, many modern fitness trackers are equipped with SpO2 (blood oxygen saturation) sensors that can measure blood oxygen levels. These health sensors use a combination of LEDs and photodiodes to estimate the oxygen saturation in your blood by analyzing the light absorption in your skin. This feature is particularly useful for monitoring your overall health and fitness, especially during physical activities and sleep.

Which Smart Watches Monitor Blood Oxygen?

Several smartwatches on the market offer blood oxygen monitoring capabilities. Popular options include the Apple Watch Series 6, Samsung Galaxy Watch series, Garmin Fenix series, Fitbit Sense, and various models from brands like Huawei and Amazfit. These watches typically use SpO2 sensors to provide real-time blood oxygen level readings.

Numerous smartwatches are equipped with blood oxygen sensors, catering to users' growing interest in comprehensive health tracking. Among the leading options, the Apple Watch Series 6 stands out, integrating a dedicated blood oxygen app alongside its suite of fitness features. The Apple Watch Series 6 employs SpO2 sensors and advanced algorithms to provide users with real-time blood oxygen level readings, contributing to a more holistic understanding of their health.

Samsung's Galaxy Watch series is another prominent choice in the smartwatch market. With SpO2 tracking capabilities, it allows users to monitor their blood oxygen levels, complementing its array of fitness and health-related functionalities. The Galaxy Watch series offers users diverse options, combining style with advanced health monitoring.

For fitness enthusiasts, the Garmin Fenix series is recognized for its robust features. The Fenix series incorporates SpO2 sensors to deliver accurate and timely blood oxygen level data. Additionally, these watches come equipped with built-in GPS, making them suitable for outdoor activities like hiking or running.

Fitbit Sense is another notable contender in the smartwatch arena, featuring a dedicated SpO2 sensor. In addition to fitness tracking, the Fitbit Sense offers stress management tools and skin temperature tracking, providing users with a comprehensive overview of their well-being.

Various models from brands like Huawei and Amazfit also offer blood oxygen tracking capabilities, expanding the range of choices available to consumers. It's essential to note that while these smartwatches provide valuable insights into blood oxygen levels, they are not substitutes for professional medical diagnosis. Users with specific health concerns should consult healthcare professionals for accurate assessments and advice.

Considering factors such as battery life, fitness features, and integration with other applications like Google Maps, users can select a smartwatch that aligns with their preferences and health monitoring needs. As the smartwatch market continues to evolve, the integration of advanced health monitoring features, including blood oxygen tracking, further enhances the utility of these devices in promoting overall well-being.

Are Smartwatches Accurate for Blood Oxygen?

The accuracy of blood oxygen readings on smartwatches can vary depending on the quality of the sensor and the device's overall design. In general, many modern smartwatches offer reasonably accurate blood oxygen saturation measurements for most users. However, it's important to note that they may not be as precise as medical-grade devices, and accuracy can be influenced by factors such as skin tone, activity level, and environmental conditions.

What is Pulse Oximetry?

Pulse oximetry is a vital health monitoring technique that utilizes specialized health sensors to measure the oxygen saturation level in your blood. This non-invasive method has become a cornerstone in health monitoring features, often integrated into various devices such as fitness trackers and smartwatches.

The process involves placing a small device, known as a pulse oximeter, on a thin part of your body, typically a fingertip. The pulse oximeter emits light wavelengths through the skin, and it calculates the oxygen saturation by analyzing the amount of light absorbed by the oxygen-carrying pigment in red blood cells.

Primarily, pulse oximetry serves as a key player in detecting low blood oxygen levels, a condition known as hypoxemia. Monitoring oxygen saturation is crucial for individuals with respiratory issues, sleep disorders, or other health concerns. It provides valuable insights into the efficiency of oxygen delivery to various parts of the body, aiding in the assessment of overall respiratory health.

Health enthusiasts and individuals focused on comprehensive well-being often find pulse oximetry integrated into their wearable devices, offering continuous tracking and real-time insights. This technology goes beyond basic health tracking features by providing users with a more comprehensive understanding of their arterial blood gas measurements and how well their body is oxygenated during different activities, including sleep tracking.

In summary, pulse oximetry plays a pivotal role in modern health monitoring, offering a non-invasive and convenient way to assess oxygen saturation levels. With its integration into wearable devices, it has become an invaluable tool for individuals seeking to maintain optimal health and track their well-being comprehensively.

How to Choose the Right Blood Oxygen Fitness Tracker?

Choosing the right blood oxygen tracker requires careful consideration of several key factors to ensure that it aligns with your health and fitness goals. Here's a guide on how to make an informed decision:

  1. Blood Oxygen Monitoring Accuracy: Look for a tracker with accurate blood oxygen monitoring capabilities. Read reviews, consider the technology used in the tracker, and ensure that it provides reliable readings, especially during various activities.
  2. Sleep Tracking Features: Since sleep plays a crucial role in overall health, opt for a tracker with robust sleep-tracking features. This includes the ability to monitor your blood oxygen levels while you sleep, providing insights into potential issues like sleep apnea or other conditions related to low blood oxygen.
  3. Battery Life: Assess the battery life of the fitness tracker, especially if you plan to use it for continuous blood oxygen level monitoring. A longer battery life ensures that the device can track your health data consistently without frequent recharging.
  4. Fitness Tracking Capabilities: Consider the broader fitness tracking features offered by the device. It should align with your fitness goals and track relevant metrics such as heart rate, steps taken, distance traveled, and other activities. A comprehensive tracker can provide a holistic view of your health and wellness.
  5. Health Data Integration: Check if the tracker integrates with health apps or platforms, allowing you to easily access and analyze your health data. Compatibility with popular apps or devices can enhance your health-tracking experience.
  6. Blood Flow Insights: Some advanced fitness trackers provide insights into blood circulation, which can offer a more comprehensive understanding of your cardiovascular health. This feature can be beneficial in identifying potential issues related to circulation and oxygen delivery.
  7. User-Friendly Interface: Ensure that the tracker has a user-friendly interface and is easy to navigate. A clear and intuitive display makes it convenient to access your health data and track your progress over time.

By considering these factors, you can make an informed decision when selecting a blood oxygen tracker that best fits your individual needs. Remember that the right tracker should not only meet your immediate requirements but also support your long-term health and fitness journey.

Is It Okay to Use a Fitness Watch While Sleeping?

Yes, it is generally okay to use a fitness watch while sleeping, and many modern fitness watches are designed to be worn continuously, including during sleep. In fact, sleep tracking has become a common feature in fitness watches, providing users with valuable insights into their sleep patterns, duration, and quality.

Wearing a fitness watch during sleep allows the device to monitor various sleep metrics, such as:

  1. Sleep Duration: Track the total amount of time you spend asleep.
  2. Sleep Quality: Assess the overall quality of your sleep based on factors like movement and restlessness.
  3. Sleep Stages: Differentiate between light sleep, deep sleep, and REM (rapid eye movement) sleep for a more comprehensive understanding of your sleep cycle.
  4. Wake Times: Identify instances of waking up during the night.

It's important to ensure that the fitness watch is comfortable to wear during sleep to avoid any discomfort or disruption of your sleep. Most fitness watches are designed with materials that are suitable for prolonged wear, including during sleep.

Using a fitness watch for sleep tracking can offer valuable insights into your overall well-being and may help identify patterns that could impact your sleep quality. However, if wearing the watch during sleep causes discomfort or disrupts your sleep, it may be advisable to remove it during those times.

Additionally, if you have specific health concerns related to sleep, it's recommended to consult with a healthcare professional. While fitness watches provide useful data, they are not a substitute for professional medical advice and diagnosis.

How Much Battery Life is Best for Your Fitness Watch?

The ideal battery life for your fitness watch depends on your usage preferences and the specific features you prioritize. Generally, a longer battery life is often preferred to ensure consistent tracking without frequent recharging.

Many modern fitness watches offer impressive battery life, ranging from a few days to up to nine days or more on a single charge. This extended battery life is particularly valuable for users who engage in continuous health monitoring, such as heart rate monitoring and pulse oximetry, without the need for frequent interruptions for charging.

For example, some fitness watches equipped with pulse oximeters, which measure blood oxygen levels, may have a slightly shorter battery life due to the additional energy required for this feature. However, advancements in battery technology have allowed manufacturers to optimize power efficiency, striking a balance between comprehensive health monitoring and prolonged battery life.

Apple watches, while renowned for their sleek design and advanced features, generally have a battery life ranging from 18 to 24 hours, which may require daily charging. This shorter battery life is attributed to the extensive capabilities of Apple watches, including phone calls, app usage, and a range of other functionalities.

In contrast, most smartwatches on the market, especially those dedicated to fitness tracking, aim for longer battery life to cater to the needs of active users. This extended battery life ensures that the watch remains operational throughout extended workouts, outdoor activities, and overnight health monitoring.

When choosing a fitness watch based on battery life, it's essential to consider your usage patterns and charging preferences. If you prioritize a longer duration between charges and don't mind sacrificing some advanced features like continuous phone calls, a fitness watch with a battery life of up to nine days or more may be the optimal choice. On the other hand, if you value a broader range of functionalities and don't mind daily charging, a device like an Apple watch may be more suitable.

Ultimately, the best battery life for your fitness watch depends on finding the right balance between features, usability, and your personal preferences.

What Is the FDA Approved Pulse Oximeter Watch?

As of the last update in September 2021, the FDA approved several pulse oximeter devices for medical use. However, specific smartwatches or wearable devices that received FDA approval for medical purposes may vary over time. It's advisable to check the latest updates and FDA approvals for pulse oximeter devices.

A pulse oximeter is an essential tool to monitor a person's blood oxygen level. Using a pulse oximeter is simple, and it is the most common of all blood oxygen sensors.

Can Apple Watch Measure Blood Oxygen?

Yes, certain models of the Apple Watch are equipped with the capability to measure blood oxygen levels. This feature was introduced with the release of the Apple Watch Series 6 and later models. The blood oxygen monitoring functionality adds an additional layer to the watch's health and fitness features.

The Apple Watch utilizes photoplethysmography (PPG) technology along with special algorithms to estimate blood oxygen saturation levels. This process involves shining light through the skin and measuring the amount of light absorbed by the blood, allowing the watch to estimate the oxygen content in your blood.

This feature can be particularly useful for individuals interested in monitoring their health and wellness. It may provide insights into your respiratory health and alert you to potential issues, such as low blood oxygen levels, which can be associated with conditions like sleep apnea.

It's important to note that while the blood oxygen monitoring of the Apple Watch can offer valuable information, it is not intended to replace professional medical advice or diagnosis. If you have specific health concerns or conditions, it's recommended to consult with a healthcare professional.

The blood oxygen sensor of the Apple Watch is integrated into the Health app on your iPhone, allowing you to track and review your oxygen level data over time. The watch also offers other advanced features, including ECG (electrocardiogram) capabilities and fall detection.

In terms of battery life, the Apple Watch Series 6 and later models are designed to provide all-day battery performance. However, continuous use of advanced features like blood oxygen monitoring may impact battery life, and users may need to charge their watches more frequently, depending on usage patterns.

Additionally, the Apple Watch allows third-party apps to access health data, providing users with the flexibility to further customize their health monitoring experience.

How Much SpO2 Is Normal?

A normal blood oxygen saturation level (SpO2) for healthy individuals typically ranges between 95% and 100%. A reading below 90% may indicate a potential health concern, and levels below 88% are generally considered low and may require medical attention. Keep in mind that SpO2 readings can vary based on factors like altitude, age, and underlying health conditions. If you have specific health concerns, it's best to consult with a healthcare professional for personalized guidance.

Maintaining a normal blood oxygen saturation level (SpO2) is crucial for overall health, with typical readings falling between 95% and 100% for healthy individuals. SpO2 represents the percentage of oxygenated hemoglobin in the blood and serves as a useful metric for assessing respiratory and cardiovascular function.

A SpO2 reading below 90% may signal potential health concerns, warranting attention and further evaluation. Readings below 88% are generally considered low and may indicate conditions that require prompt medical intervention. Low SpO2 levels can be associated with various health issues, including lung disease, pulmonary hypertension, heart failure, and irregular heart rhythm.

It's important to note that SpO2 readings can be influenced by factors beyond underlying health conditions. Altitude, for instance, can affect oxygen levels, leading to lower SpO2 readings at higher elevations. Age is another factor, as older individuals may naturally exhibit slightly lower SpO2 levels. Additionally, sleep patterns, particularly during REM sleep, can influence readings.

Pulse oximeters, devices commonly used to measure SpO2, have become valuable tools for monitoring respiratory health at home. Regular monitoring, especially for individuals with known health conditions, can provide insights into changes in oxygen saturation levels and prompt timely intervention if necessary.

Incorporating SpO2 measurements alongside other metrics, such as heart rate monitoring, enhances the comprehensive assessment of cardiovascular and respiratory well-being. Irregularities in SpO2 levels, when coupled with symptoms like shortness of breath or chest pain, may indicate potential issues that require medical attention.

For those with specific health concerns or conditions, consultation with a healthcare professional is paramount. They can provide personalized guidance based on individual health profiles, conduct further diagnostic tests, and develop appropriate management plans.

In summary, maintaining a normal SpO2 level is essential for overall health, and regular monitoring can serve as a proactive measure to detect potential issues. Understanding the factors that influence SpO2 readings and seeking professional guidance when needed ensures a comprehensive approach to respiratory and cardiovascular well-being.


The world of fitness trackers and smartwatches has witnessed remarkable advancements in recent years, with the integration of blood oxygen monitoring becoming increasingly common. These devices offer a convenient way to track vital health metrics, such as blood oxygen levels, heart rate, and more, providing users with valuable insights into their well-being. While they are not medical-grade devices, they serve as valuable tools for individuals striving to maintain a healthier lifestyle and monitor their fitness progress. 

As technology continues to evolve, it's essential to stay informed about the capabilities and limitations of these devices, keeping in mind that they can complement but not replace professional medical advice when needed. 

With the right knowledge and the right device, individuals can take proactive steps toward better health and well-being.

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