The Charge 6 is Fitbit's premium band-style fitness tracker. The Versa 4, meanwhile, is Fitbit's mid-tier smartwatch for the fitness-inclined ... That said, both devices keep tabs on sleep quality, ...
The Fitbit Charge 6 is Fitbit’s most advanced band-style fitness tracker. It has more features than the charming Fitbit Luxe, and even a few extras which the Fitbit Versa 4 lacks. In a certain light, ...