My Fitbit Air test revealed the flaws of calorie counting with a health tracker – here’s why
[ad_1] Nina Raemont/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET’s key takeaways I tested the Fitbit Air’s heart rate data. I compared it against the Polar H10 chest strap, a reliable heart rate monitor. The Fitbit Air is good for heart rate checks, but not as accurate as a calorie counter. Just how […]