Best smartwatches that can measure blood oxygen saturation levels 2021

The best smartwatches to measure blood oxygen saturation levels Android Central 2020
You're probably familiar with blood oxygen monitoring, if you have a smartwatch pulse. This is especially useful for sleep tracking and when you are at high altitudes. It can also alert you to possible issues like sleep apnea or other respiratory conditions. Garmin Forerunner 245 runs well on its own and has a SpO2 sensor built in, making it even more attractive to those who appreciate details. We have compiled a list of the top smartwatches that provide blood oxygen monitoring.

Source: Android Central

The Garmin Forerunner245 is a great choice, regardless of whether you like to run, bike, or swim. The wrist-based Pulse O sensor monitors blood oxygen saturation levels and can be used to gauge your body's ability to absorb oxygen. The watch also has GPS, heart rate tracking, sleep monitoring and 5 ATM water resistance. It can last seven days. It also features the exclusive Body Battery feature from the company, which tracks your energy levels throughout the day. This feature will help determine the best times to exercise and when to rest. The Forerunner 245 is a Garmin smartwatch that offers so many great features, it's easy to see why. This watch doesn't offer advanced features like Garmin Pay and onboard music storage. Instead, it is focused on fitness. If you feel it is a necessary feature, you can opt for a musical model of the watch. This watch offers a great opportunity to enjoy all Garmin has to provide without spending a lot. The GPS onboard is a plus

Monitoring heart rate

One week of battery life

Water resistance 5 ATM

Pulse Ox sensor & Body Battery

Menstrual tracking Cons: Lacks mobile payments

The music version is more costly

No altimeter

Garmin Forerunner 245 GPS Smartwatch is the Best Overall Running Watch. This watch is a great choice for runners. Amazon: $300

Best Buy: Starting at $300

Walmart: $300

Best value: Fitbit Versa 3

Source: Jeramy Johnson / Android Central

Fitbit is a trusted name in the field of fitness trackers and the Versa 3 is no different. You'll still get excellent sleep tracking. However, the Versa 3 also has the benefit of an integrated SpO2 sensor that provides more detailed data. The unique squircle design is maintained, but it has a modern twist and a better band system. It's also much simpler to use. You'll be able to find replacement Fitbit Versa3 bands much easier. But, don't forget that the old Versa bands will not work with this new system. We also mentioned the speaker and microphone built into the system. You will find that using the voice assistant options with this addition is easier and more fun. You can also send text messages and make Bluetooth calls from your wrist. Fitbit Pay is also available, so your wallet can be left at home. The best part is that onboard GPS is also available. The Fitbit Versa 3 offers a lot for its price. Although it is not a premium smartwatch, it has many other great features. Since the Fitbit Versa 2, it's made a lot of progress. The innovative on-screen workouts provide useful data and the battery life has improved. You also have local music storage. You can also access Google Assistant and Amazon Alexa on your wrist. You can save money by purchasing a wearable with a SpO2 sensor built into the Versa, Versa 2 and Versa Lite. Pros: GPS onboard

On-screen workouts

6-day battery life

Monitoring heart rate

Water resistance 5 ATM

Amazon Alexa and Google Assistant Cons - App selection must be improved

Old Versa bands don't work together

Best battery: Garmin Venu 2

Source: Jeramy Johnson / Android Central

Garmin's Venu 2 is the latest release. This is a significant upgrade to the previous version. You can choose from a 40mm or a 45mm model. For an incredible total of 11 days, the larger model comes with an additional day of battery life. The battery saver mode is another feature that makes your watch last an extra day. You also have rapid charging which allows the Garmin Venu 2 to reach full battery life in just 10 minutes. As far as the features go, you'll enjoy all of the Garmin essentials, including onboard GPS, 5 ATM water resistance, activity/sleep/stress tracking, heart-rate monitoring, music storage, and Garmin Pay. The wrist-based Pulse Ox sensor measures your blood oxygen saturation and shows how well your body absorbs oxygen throughout the day. New features include Fitness Age, Sleep Score, Health Snapshot and an additional profile for activity. It is encouraging to see Garmin working with its successors. The Venu 2 is a remarkable upgrade that offers many new features. There are two sizes available and the battery life is doubled. These watches are quite expensive for the quality they offer. You might be willing to spend more if you like the design, battery life and other features. The onboard GPS is a plus

Battery life up to 11 days

Garmin Pay and music storage

Great activity/health tracking

Fitness age and sleep score

5 ATM Water Resistance Cons: 45mm has fewer colors

40mm is not more affordable

Extremely costly

Garmin Venu2 GPS Smartwatch with the best battery. A stylish and durable watch that can last for years. TheVenu2 is perfect with GPS, Garmin Pay and music storage. Amazon: $400

Best Buy: $400

Walmart: $400

Best premium pick: Samsung Galaxy Watch 4

Source: Android Central

The Galaxy Watch 4, one of the most anticipated releases this year, is now available for pre-order. This smartwatch is not the only one with blood oxygen tracking. However, it offers many other benefits. The new Samsung Galaxy Watch 4 is similar to its predecessor. It offers two sizes, optional LTE connectivity and ECG readings. Advanced health/fitness tracking can also be accessed. Although it is only expected to last 40 hours, this watch will be able to charge for up to 80% longer than other Wear OS watches. The new 3-in-1 BioActive sensor will be appreciated by users. Samsung was able to use a single chip that contained three sensors. These sensors included an optical heart rate sensor, an electrical heart (ECG), as well as BIA (Bioelectrical Impedance Analysis) for measuring body composition. The company noted that the placement makes the measurement tool more accessible to the skin. This should improve measurement accuracy. The BioActive sensor is able to measure blood oxygen levels, take heart rate readings, and record ECG measurements. Although sleep tracking is not new, Samsung has made it more accurate and detailed. Your compatible smartphone will now be able to detect your snores and provide you with an advanced Sleep Score. This allows you to see the larger picture and can help you decide how to improve your sleeping quality. This smartwatch is a great choice for monitoring blood oxygen and other detailed tracking, provided you don't mind paying a high price and not be discouraged by its limitations. Pros: GPS onboard

Optional LTE

Samsung Pay, Google Pay

Health/Fitness improvements

New Wear OS 3 Cons - Battery life could be improved

iOS users have no compatibility

Some features are only available to Galaxy phone owners

Samsung Galaxy Watch 4 is the best premium choice. Premium features and performance are what you should be looking for in a smartphone. One of the many health benefits is blood oxygen tracking. Samsung: Starting at $250

$250 on Best Buy

Best for outdoor enthusiasts: Garmin Fenix 6


Garmin's Fenix 6 Series is another powerful Garmin product that's packed with features. This model is for outdoor athletes who require all the support they can get. At 47mm, the standard model is still huge. As you may have guessed, the Fenix Series models are more expensive the higher you climb. Although battery life may vary depending on the model, you can expect it will last 14 days when used in smartwatch mode. It should last for 36 hours when you are in basic GPS mode. An advanced running watch such as this will give you more information from the Pulse O sensor. It can be used to monitor your body's oxygen absorption and altitude acclimation. This watch is not for the faint-hearted. This watch is large and powerful. It will have GPS, GLONASS and Galileo to ensure accuracy and allow you to track in more difficult environments. This watch comes at a steep price. The watch is too expensive for most people. You don't purchase a watch like this to track your daily activities. The Fenix 6 was designed for outdoor enthusiasts who love to explore and go adventuring. This watch is for you if you are. Pros: GPS tracking with advanced technology

Water resistance 10 ATM

Military-grad durability

Amazing battery life

Monitoring heart rate

Garmin Pay Cons: Too expensive for most people

Not for fashionable people

There are not many features that have been added to the predecessors.

Garmin Fenix 6 Premium Multisport Gps Watch for Outdoor Adventurers. True adventurers will love the Garmin Fenix 6. Amazon: $495

Best Buy: $550

Walmart: $550

Best Fitbit Sense health features

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You may be familiar with the Fitbit ecosystem and feel most at home with it. The Fitbit Sense is the newest member of the Fitbit family. This smartwatch is the best option if you are looking for advanced health perks. Although it is more expensive than other Fitbit watches it can be worth the extra features such as built-in GPS, 5 ATM water resistance and six days battery life. The SpO2 sensor monitors blood oxygen levels. This Fitbit smartwatch is just one of many. But it's packed with new perks that take health tracking to the next level. New health features include an electrocardiogram (ECG), which can be used to check your heart rhythm. This sensor is useful for detecting irregularities, such as AFib (also known as atrial fibrillation). The electrodermal activity sensor (EDA), which measures how your body reacts to stress, is also included. Fitbit's goal? To give you a better understanding about your stress levels throughout your day and encourage you to take good care of your mental as well as physical health. A temperature sensor provides minute-by-minute data about how your body temperature changes during sleep at night. These sensors are impressive and provide a lot of valuable data. You'll need to decide if it is worth the high price. The more basic Versa 3 is better if you don't need the advanced health sensors. The Pros: GPS onboard

Monitoring heart rate

Water resistance 5 ATM

ECG & EDA sensors

Battery life of six days

Fitbit Pay Cons: Awkward unattractive design

Avoid scratches

Limited functionality for smartwatches

Fitbit Sense Advanced Health & Fitness smartwatch for health-nuts If you are a Fitbit user and want a high-quality smartwatch that can last a long time, the Sense is the best option. Amazon: Starting at $290

Best Buys Starting at $300

Walmart: $293

TicWatch Pro 3 is the best for Wear OS users

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The TicWatch Pro 3 is a smartwatch that supports Wear OS. The dual-layer display is a favorite among Pro models. It's now even better. There have been some notable style changes to the Dual Display 2.0. A convenient backlight and live seconds counter make it easier to see. It's also not too bad for a battery. TicWatch Pro 3 can last up to 3 days in Smart Mode. However, this will depend on how much you use it. Other perks include GPS, activity tracking and heart-rate monitoring. Google Pay is also available. You probably already know about the TicWatch Pro models before you, and that they are not small watches. The TicWatch Pro 3 is available in a 47mm case. According to the company, this model has been redesigned and is 30% lighter. Active people who need a watch that is comfortable and doesn't interfere with their workouts will appreciate this improvement. The new Snapdragon Wear 4100 processor will also improve performance. TicExercise, TicPulse, and all other apps have been updated. TicOxygen will allow you to track your blood oxygen levels. The TicWatch Pro 3 is a great choice for many users, as you can see. It's actually one of the most popular Wear OS watches available right now. This could be the watch you've been looking for, despite its 47mm size and high price. This model will soon be eligible to upgrade to Wear OS 3. Pros: GPS onboard

Dual-layer display

Activity/sleep monitoring

Monitoring heart rate

Impeccable performance

Battery life is good. Cons: One size/one colour

Small wrists look bulky


TicWatch Pro 3 GPS Smartwatch is the best for Wear OS users. There is nothing you can't accomplish with this watch. If you are looking for a Wear OS watch that has exceptional performance and SpO2 tracking, then you should check out TicWatch Pro 3. Amazon: $247

Walmart: $280

B&H: $300

Apple Watch Series 6 is the best for Apple users

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Apple Watch Series 6 might be a better choice for you if you are an Apple user. The new model includes blood oxygen monitoring and sleep tracking. Although these may not seem like much, health professionals will be pleased with the improvements. The Apple Watch comes in a 40mm and 44mm model. There are three options for finishes: aluminum, stainless steel and titanium. The Apple Watch Series 6 has many of the same features as previous models in terms of activity/health tracking, and other smartwatch perks. You can find built-in GPS, Apple Pay, Apple Pay, deta9ped fitness tracking, 5 ATM water resistance and notifications on your smartphone. The smartwatch can monitor your blood oxygen saturation levels, and can take electrocardiogram (ECG), readings. This can detect irregular heartbeats which could be indicative of an underlying condition. These smartwatches are mediocre at best, if you're familiar. It will need to be charged every day. The Apple Watch Series 6 is still quite expensive. Android users will not be able use this smartwatch with blood oxygen monitoring because it is only compatible with iPhones. Pros: GPS onboard


Monitoring heart rate

Water resistance 5 ATM

Apple Pay

ECG and SPO2 Cons: These are not compatible with Android phones

Too costly for some

Battery life is average