Is the blood oxygen of Apple s8 watch useful?

Useful. Apple Watch S8 supports oxygen saturation detection and heart rate health monitoring. In daily life, the change of oxygen saturation is related to physical activity, climate change and other factors. By tracking blood oxygen saturation, we can better grasp our own health status, help users detect sleep quality and locate sleep problems. Through this function, users can better manage sleep, improve sleep quality and protect health. Is useful. Apple Watch Series 8 is a smart watch released by Apple on September 8, 2022 at the 2022 Apple Autumn New Product Launch Conference.