Fitbit Charge 4: what we want to see

The Fitbit Charge 3 only landed in October and it’s an impressive device, ranking high on our list of the best fitness trackers. But there’s no reason to think Fitbit will stop at three – there’s probably going to be a Fitbit Charge 4 sooner or later.And good as the Fitbit Charge 3 is, there’s still plenty of room for Fitbit to improve things for a fourth generation. After all, our review gave it four stars – so that’s one star still to get.With that in