Smart Notifications See call, text and calendar alerts on your wrist to keep your phone out of sight and your goals in focus. Tap Display With an easy-to-read OLED tap display, Fitbit Alta gives you instant access to stats, time and smartphone notifications. Choose a horizontal or vertical layout to see everything your way, and pick from a variety of clock faces to find the one that fits your style. Automatic Sleep Tracking Tracks how long and how well you sleep to help you work toward a better routine. Silent Alarm Wake up peacefully with a silent vibrating alarm, and create a sleep schedule in the app to stay on track toward your goals. Smart Track Automatically records select exercises like hiking, biking, sports and more, so you get credit even if you forget to log a workout. Multi-Sport Modes Track specific exercises like running, weights or yoga to see your workout stats on display. Connected GPS Connect to your phone?s GPS to see real-time run stats like pace and distance on your wrist, and a map of your route post-workout. Cardio Fitness Level, Powered by PurePulse Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score. Guided Breathing Sessions Find moments of calm throughout your day with personalized breathing sessions based on your real-time heart rate. Reminders to Move To help you stay active throughout the day, Charge 2 sends Reminders to Move that encourage you to take 250 steps every hour. Customizable Clock Faces Choose your clock display based on the stats you want to see and the design that suits your taste. Wireless Sync Charge 2 syncs wirelessly and automatically to 200+ iPhone, Android and Windows devices. Stay Connected Use Facebook and email to find and connect with Fitbit friends so you can send motivational messages, share stats and cheer each other on.