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2023-06-24
smart watch done?
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How does a smart watch monitor human heart rate?
With the development of smart wearable devices, smart watches have become well-known health-tracking products. They can not only record our daily activities, but also monitor our sleep quality, and the new smart heart rate watches provide us with The function of heart rate monitoring is of greater help to our sports and health. So how does a smart heart rate watch monitor the dynamics of human heart rate? Here are the answers for you.
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