Includes all Versa Lite Edition features plus: store and play 300 plus songs, utilize on screen workouts that play on your wrist and coach you through every move and track swim laps and floors climbed Track your all day activity, 24/7 heart rate, & sleep stages, all with a 4 plus day battery life (varies with use and other factors), charge time (0 to 100 percent): two hours. Slim, comfortable design with a lightweight, anodized aluminum watch body Use 15 plus exercise modes like run or swim (Fitbit versa is water resistant to 50 meters, we do not recommend wearing charge 3 in a hot tub or sauna.) To record workouts and connect to Smartphone GPS for more precise real time pace & distance Access your favorite apps for sports, weather & more and get called, calendar, text, and app alerts. Syncing range - up to 30 feet Get call, text, calendar and smartphone app notifications when your phone is nearby. Plus send quick replies on android only. Operating temperature 10 to 60 degrees celsius Automatically track select sports & workouts with smarttrack and use female health tracking in the fitbit app to log periods, symptoms and more Radio transceiver: bluetooth 4.0. Compatible with iphone, android & windows phones