The latest update for the fanatic Huawei Watch GT2 is now bringing the SpO2 blood oxygen measuring feature to the LiteOS-powered smartwatch. This update brings feature parity to the late-2019 ...

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 ...