Item Details

tilize 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

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.Charge time (0 100%): Two hours

Automatically and conveniently record workouts like walks, swimming & bike rides in a snap with SmartTrack.Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times

Radio transceiver: Bluetooth 4.0. Fitbit Inspire and Inspire HR are water resistant to 50 meters. We do not recommend wearing Inspire or Inspire HR in a hot tub or sauna. Operating temperature: 14 degree to 113 degree Fahrenheit. Maximum operating altitude: 28,000 feet