Withings ScanWatch has a medical grade electrocardiogram

Health Focused Smartwatch

Withings Scanwatch is the world's first hybrid smartwatch to combine a medical-grade electrocardiogram and sleep apnea detection in a form factor of a beautiful analog watch.


In other words, it's a smartwatch that doesn't look like a smartwatch and is focused on preventive health. 


The highlight of the Scanwatch and the the biggest reason why you would want to get one is that it detects cardiovascular and sleep issues early so you can consult your doctor and take action.

Atrial Fibrillation Detection

According to the CDC, between 2.7 million and 6.1 million people in the United States have atrial fibrillation.


"Atrial Fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure and other heart-related complications." - Heart.org


With the Scanwatch, you can take an ECG to detect atrial fibrillation at any time by pressing the crown and place two fingers on the metal ring.


An ECG (electrocardiogram) is a simple test that can be used to check your heart's rhythm and electrical activity. Sensors attached to the skin are used to detect the electrical signals produced by your heart each time it beats. - NHS


The Apple Watch also has an ECG function but for some reason, it is disabled in some countries. One thing it doesn't have is...

Sleep Apnea Detection

Sleep apnea is a potentially serious sleep disorder in which breathing repeatedly stops and starts. About a billion people worldwide suffer from sleep apnea and many don't even know it. After all, you're asleep when it happens.


The Scanwatch has a SpO2 optical sensor that will check your oxygen levels while you sleep to determine if you are likely to have sleep apnea. You can then take this information to your doctor for further diagnosis.


Simply wear the watch to sleep and it will automatically track your blood oxygen saturation levels and sleep quality. The watch has power for about 30 days so you don't have to worry about low battery levels when you wake up.

Health Mate App

Other than checking AFib and sleep apnea, the Scanwatch also tracks your activities. It's waterproof up to 50 m and can track your swims too.


Other than ECG, the Scanwatch also has optical heart rate sensor so that you can be at the optimal heart rate zone when you workout.


All the information collected by the watch can be synced to an Android or iOS device and accessed via the Withings Health Mate App. The app shows you your trends, progress, and provides coaching to help you improve.


It also allows you to set daily and weekly activity goals to help you stay on track.

Pros

  • Can detect sleep apnea automatically while you sleep
  • ECG functionality
  • 30 day battery life
  • Affordable
  • Compatible with Android and iOS devices
  • It's a beautiful smartwatch
  • Scratch-resistant sapphire glass
  • Clinically tested
  • Medical-grade ECG

Cons

  • Need the app for a full picture of the information collected
  • No GPS

Conclusion:

The Withings Scanwatch is the most health-oriented smartwatch yet. Features like ECG and sleep apnea detection can prevent last minute dashes to the emergency room. The Scanwatch comes in 38 or 42mm with a black or white watch face. The 38mm model will cost $249 and the 42mm model will cost $299. Currently the watch is waiting on FDA approval and is expected to be available around fall 2020. What the Scanwatch is missing is the ability to analyze body composition and hydration like the Aura Band.

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