How Accurate Are FitBit Heart Rate Trackers? Study Claims Issues
There's already been a class action lawsuit filed against the company that makes the popular FitBit Heart Rate trackers, claiming they're inaccurate in calculating heart rates of consumers who wear them. The FitBit is designed to allow the wearer to see what their heart rate is throughout the day during various activities, with hopes of helping them boost physical activity and becoming healthier.