Covid-19 news: Do you still need an Oximeter if you have a smartwatch with SpO2 sensor?

Covid-19 news

Covid-19 news: Do you still need an Oximeter if you have a smartwatch with SpO2 sensor? Before the popularity of oximeters, several smartwatch brands with features of sPo2 sensors were in news. Now a common question arises in case you own a smartwatch with a spo2 sensor, then you still need to buy an oximeter? … Read more