All-Day Activity Tracking tracks steps, distance, calories burned, active minutes, hourly activity & stationary time. Auto Sleep Tracking & Silent Alarms tracks your sleep quality & wake up peacefully with a silent alarm. Interchangeable Accessories allow you to style this ultra-slim, removable tracker with wristband, bangle and pendant accessories. LED Display lights up when you get calls, texts and Reminders to Move, and shows you how close you are to your daily goal with a simple tap. SmartTrack™ Automatically recognizes select activities and records them in the exercise section of the Fitbit app. Reminders to Move: Get friendly Reminders to Move that encourage you to reach an hourly goal of 250 steps. Smartphone Notifications Get call & text notifications (when your phone is nearby) with unique vibration patterns and color-coded LED lights: blue for calls, purple for texts. Track Swimming: Wear it in the shower, ocean or pool. Track swimming automatically and see your workout summary in the Fitbit app. Long Battery Life lasts up to 5 days so you can track all day and night without needing a charge. Wireless Syncing sends stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices

Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. Smartphone notifications unavailable on Windows devices.