I have been using the Mi Band 6 to keep track of my SpO2 values along with a dedicated Pulse Oximeter. Results between 90-94% need attention and anything below 90% requires hospitalization. Generally, the lower the value, the higher the risk. Those engaged in high intensive exercises or go hiking at high altitudes, SpO2 readings are very important to keep track of. If you have symptoms of Covid-19, then SpO2 readings can give an idea of the seriousness of your condition. It is an important physiological parameter of the respiratory cycle of the human body. Well, SpO2 is the percentage of the volume of Oxygenated Hemoglobin (HbO2) in the blood to the total Hemoglobin(Bh). You might ask yourself why you should care about SpO2. Read more: Mi Band 6 review: A bigger screen and SpO2 monitor makes this Xiaomi’s best fitness band yet

The latest version, the Mi band 6 now can take SpO2 measurements, a feature we have seen in more premium smartwatches such as the Apple Watch 6, Fitbit Versa 3 and Amazfit GTR 2. Xiaomi added an SpO2 blood oxygen monitor to its most popular fitness tracker.

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