Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

Huawei Watch GT2 can now monitor oxygen level in blood. The SpO2 feature has been added to the smartwatch via firmware update which goes by the version number- 1.0.6.26. If you have been using the ...