The Charge HR from market leaders Fitbit, however, is more your classic fitness band - counting steps, tracking sleep and keeping you up to date with how far you've walked and how many calories ...

This ultra-thin and removable tracker hides in bands, pendants and bangles ... help you select workouts and record your ...

If you loosen the band to help the GPS out, you’re likely to see heart rate accuracy take a significant hit. And even before ...

It's easy for your band ... your Fitbit varies by model, but often is as simple as holding down one or more buttons, as described in this article on how to restart the Fitbit Charge HR.