Fitbit Flex 2 - Fitness tracker fitbit blaze - Stores heart rate data

- 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

and activate Siri

Connect to your own speakers over Bluetooth or with a 3

Maximum Depth Of Water Resistance: 3

Fitbit Flex 2 - Fitness tracker fitbit blaze - Stores heart rate dataOur 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