NPR News: Fitness Trackers: Good at Measuring Heart Rate, Not So Good At Measuring Calories

Fitness Trackers: Good at Measuring Heart Rate, Not So Good At Measuring Calories
A study of seven popular fitness trackers found they are generally good at measuring heart rate, but may mislead consumers about how many calories they have burned.

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Làm đẹp Blog 247 May 25, 2017 at 01:33AM
Category Health & Science