Smartwatches track health data using a combination of advanced sensors, software, and algorithms designed to monitor the body in real time. Common sensors include heart rate monitors, accelerometers, gyroscopes, blood oxygen (SpO₂) sensors, GPS, and skin temperature sensors. These components work together to collect data on steps, calories burned, sleep patterns, heart rate variability, stress levels, and physical activity throughout the day.
The collected data is processed by built-in algorithms and synced with mobile apps, where users can view detailed reports and insights. Many smartwatches also integrate with health platforms and notifications, making them useful for fitness tracking and wellness management. This data-driven approach to health monitoring aligns with how modern digital ecosystems work, including
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How do smartwatches track health data?
