Fitbit Alta is fitness tracker, with a slim and trendy design and OLED Tap display, which provides you notifications for Calls, Texts & Calendar alerts. It tracks all your activities like number of steps taken and distance travelled, calories burned and the SmartTrack™ feature automatically records exercises for you, so you can keep track of your workouts, while the silent alarm (band vibrates) you wake you up to exercise, it also tracks your sleep. If you remain idle for a long time without any activity, it gives friendly reminders to move hereby keeping you active throughout the day. You can choose between different bands to customize your Fitbit Alta to suit your own style. While it keeps you active it also acts a wristwatch, you have the option to choose from variety of clock faces (Horizontal and Vertical Layouts). The long battery life upto 5 days on single charge with continuous use keeps the band & you Active!