When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...
Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...
Last March 2020, Fitbit said that it will be launching the Charge 4 band with its features involving a built-in GPS and SpO2 for the upgrade of its fitness tracker. Previously, the users could only ...
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