GPS Tracking See distance, pace, split times and elevation climbed & review routes PurePulse™ Heart Rate Get continuous, automatic, wrist-based heart rate & simplified heart rate zones. All-Day Activity Track steps, distance, calories burned, floors climbed & active minutes Multi-Sport Record running, cycling, cross training and other workouts & view exercise summaries SmartTrack™ Automatically recognizes select activities and records it in the exercise section of the Fitbit app Long Battery Life Lasts longer than competing trackers with a battery life up to 7 days and GPS battery life up to 10 hours* Notifications + Music See call & text notifications on display and control songs from your mobile playlist Auto Sleep Tracking & Silent Alarms Monitor your sleep automatically & set a silent alarm Wireless Syncing Sync stats wirelessly & automatically to leading smartphones and computers Tracks 7 days of detailed motion data - minute by minute. Tracks daily totals for past 30 days Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times

What's Included: Charging cable Wireless sync dongle Sensors & Components GPS 3-axis accelerometers 3-axis gyroscope Digital compass Optical heart rate monitor Altimeter Ambient light sensor Vibration motor