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Your blood oxygen level represents the percentage of oxygen that your red blood cells carry from your lungs to the rest of your body. Knowing how well your blood performs this vital task can help you understand your overall wellness. The majority of people have a blood oxygen level of 95 - 99%. However, some people live a normal life with blood oxygen levels below 95%. The Apple Watch can estimate your percentage of oxygen in your bloodstream and stores the data in the Health Store. With the Oxygen Saturation app, you always see your latest value directly on your wrist. This App supports all complications, so make your Apple watch a real Fitness Gadget!!How to Use:- ATTENTION: Oxygen Saturation only works if you have an Apple Watch Series 6, because this Apple Watch has the sensor you need to measure your oxygen saturation.- The app needs to connect with the Apple’s Health app to display the recorded data on your Apple Watch, as complication or your Iphone.- Using iOS 14 you can add a Widget to your home screen on your IPhone to display the latest measurement.- In case you are still not receiving any data, please open your Apple Health App and check if it is able to measure your oxygen saturation.