The monitoring function of blood oxygen saturation is for people who like high-altitude mountaineering, sleeping and snoring, the elderly, and social people who have been doing mental work for a long time.
Because of the scarcity of oxygen in the high-altitude environment, blood oxygen saturation data is significant to prevent and protect ourselves. Elder with deteriorating physical functions and mental workers with long time work also need spo2 monitoring.
There is also sleep apnea syndrome monitoring. Smartwatches can monitor blood oxygen changes through the built-in SpO2 sensor in the device and combine the existing heart rate sensor data and sleep monitoring functions to find potential apnea problems. Sometimes poor breathing will cause a decrease in oxygen intake, causing deep-seated harm to the human body, such as inducing cardiovascular disease and increasing the risk of sudden death.
To sum up
For ordinary people, it may be impractical and inconvenient to purchase professional medical equipment. Wearable devices to monitor blood oxygen saturation is a good solution. Smart wearable devices are not limited to monitoring heart rate and blood oxygen. And other functions can also monitor blood pressure, health, and other data, so for a healthy portable digital device, smart wear is undoubtedly very useful.