Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS Color:Black The glossy and skin-friendly ceramic

The glossy and skin-friendly ceramic back ensures a comfortable wearing

activity duration

INTRODUCING QUIETCOMFORT EARBUDS II: These new wireless

When the camera recognizes a moving object

Varies with use and other factors

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS Color:Black The glossy and skin-friendly ceramicFeatures Active Zone Minutes alert you when you're in your personalised Fat Burn, Cardio or Peak heart rate zones After outdoor workouts, see a workout intensity map in the app that shows your heart rate changes along your route Use built in GPS to see your pace and distance on screen during outdoor runs, cycles, hikes and more Track sleep stages & review your in app Sleep Score for an easy way to see how well you slept Multi day battery lasts up to 7