The Fitbit Charge 4 was launched in the spring of 2020. It kept a lot of the best parts of the Charge 3 — on the wrist phone calls, texts and app alerts if your phone is nearby, water resistance ...

Unfortunately, some owners have noticed that the two parts don't connect as neatly as they should, leaving a gap. The Fitbit Charge 4 comes with two differently sized straps, but owners report ...

Can swap out other Charge 3 bands. Many of the best features are only included with an additional Fitbit ... 4 pinged me when I entered the fat burn, cardio, or peak zones. These intense parts ...

The £129.99/$149.99 Fitbit Charge 4 has all of these, plus a mix of other features, some of which Fitbit calls 'apps'. You can choose to show or not show these wristband apps, which include a ...