What is the best step counting fitness tracker for under Â£100?. For those who want more, the heart–rate tracker monitors your pulse all day and during exercise.
Wristband heart rate monitors are convenient, but in a recent study at the Cleveland Clinic, this chest-strap sensor was far more accurate during exercise than .
Notable features for the Forerunner 15 are the option to get it with heart rate monitor for added effectiveness and still comes in under $100. There's also an auto .