Track your all-day activity, 24/7 heart rate (optical sensor), sleep stages -- all with a 4+ day battery life (varies with use and other factors) * Take your favorite music phone-free by storing 300+ songs or downloading stations from Pandora or playlists from Deezer * Use 15+ exercise modes like run or swim (Fitbit versa is water-resistant to 50 meters) to record workouts and connect to smartphone GPS for more precise real-time pace distance * Easily fit in workouts with personalized on-screen coaching that play on your wrist and coach you through each move * Access your favorite apps for sports, weather & more and get call, calendar, text, and app alerts. * Send quick replies to messages (android only) Syncs through the Fitbit app LCD display with a pixel resolution of 300 x 300 Multiple bands to accessorize