There are a lot of smartwatches available in different price segments for every consumer. Most smartwatches also come with heart rate and SpO2 sensors, of which, some use the heart rate sensor to measure SpO2… Read More »10+ Best Smartwatches With Blood Oxygen Sensor in India (2022)
Initially, the majority of smartwatches had only heart rate sensors. But now, brands have started giving the SpO2 or Blood oxygen monitor even on budget smartwatches. But have you ever wondered how the SpO2 or… Read More »How Does SpO2 Oxygen Sensor Work in Smartwatch? Is it Accurate?