Haylou GST smartwatch is great for tracking your state during sports and just throughout the day! The gadget supports 12 sports modes so that you can control your body's performance during certain activities. The device focuses on the individual characteristics of your body and notifies you when it is better to stop the activity and take a break. Depending on the structure of your body, the device calculates PAI - an indicator that allows you to understand how many sports per week you need to keep fit.
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