The haptic feedback side button is new, but it echoes the physical button that used to accentuate Fitbit’s Charge 3 and earlier models. The haptic button registers touch ... I logged in and plugged ...
One day, I slept 3 hours, and another, I slept just 1 hour and 35 minutes ... you will see a summary of your activity and performance when you reach your destination. Oh, yeah, it tells time too.