Keeps track of your energy levels, Pulse Ox, respiration, menstrual cycle, stress, sleep, estimated heart, hydration and more Easily download songs to your watch, including playlists from Spotify, Amazon music or Deezer (may require a premium subscription With a third-party music provider), and connect with headphones (sold separately) for phone-free listening Record all the ways to move with more than 20 preloaded GPS and indoor sports apps, including yoga, running, swimming and more Get easy-to-follow, animated workouts right on your watch screen, including strength, cardio, yoga and Pilates *includes charger Battery life: up to 7 days in smartwatch mode; up to 5 hours in GPS and music mode