Fitbit Flex 2 - Fitness tracker fitbit blaze and allows you to share

and allows you to share devices

and activate Siri

- Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times Water Resistance Fitbit Charge 3 is water resistant to 50 meters

Sets up in minutes

Fitbit Flex 2 - Fitness tracker fitbit blaze and allows you to shareOur most iconic fitness tracker, now more customizable than ever. Make fitness fun, day and night. All Day Activity Tracking Track your steps, distance, calories burned, active minutes, hourly activity and stationary time. SmartTrack Automatically track activities like running, sports and aerobic workouts, then see exercise summaries in the Fitbit app. Make fitness fun, day and night. All Day Activity Tracking Track your steps, distance, calories