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 ...

The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

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 ...

Huawei introduced the Watch GT 2e last month, a sportier and lower-cost version of the Watch GT 2. The GT 2e comes with the blood oxygen saturation (SpO2) monitor feature, along with other fitness ...

Both the workout tracking and the SpO2 blood oxygen monitoring have been promised since the launch of the third-generation ring in 2021, so their arrival is overdue. The workout mode employs the ...