So you’ve decided to do some CrossFit and today is about weights. How can a device that’s made to count steps and calculate calories register the value of the workout you’re getting from squats? Most decent fitness trackers have a heart-rate monitor. That’s the real secret.
Keeping your heart-rate in the zone can reap great rewards for your fitness even when not doing cardio. With sleep monitoring, your fitness tracker can help with recovery too.
