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 ...

Prior to the official announcement of the Apple Watch, there were multiple rumors that the device would be packed with health-related sensors. When it finally launched, however, it got just a ...

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 ...