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.
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 ...
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