Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count

Fitbit Inspire HR is a friendly heart rate & fitness tracker for every day that helps you build healthy habits. This encouraging companion motivates you to reach your weight and fitness goals and even enjoy the journey with 24/7 heart rate, workout features, calorie burn tracking, goal celebrations, sleep stages and up to 5 days of battery life.
Large fits wrist 7.1″” – 8.7″” in circumference.
Small fits wrist 5.5″” – 7.1″”
Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync.

Utilize 24/7 heart rate to more accurately track calorie burn, resting heart rate & heart rate zones during workouts
Track all day activity, including steps, distance, hourly activity, active minutes and calories burned. Operating temperature is -10° to 45° C
Automatically track sleep, plus due to the heart rate feature, get more insights into your light, deep & REM sleep stages
Enjoy up to 5 days of battery for daily progress without constant charging; varies with use and other factors. Maximum operating altitude is 8,535 m
Automatically and conveniently, record workouts like walks, swimming & bike rides in a snap with smart track. Syncing range up to 6 meters
Radio transceiver: Bluetooth 4.0; automatically syncs to 200+ android, iOS & windows 10 devices so you can see your progress in the app
See your real-time pace and distance by connecting to your phone’s GPS, then get a map of your route in the Fitbit app.