Excellent used condition, no scratches reset to factory! features: store and play 300 plus songs, screen workouts that coach you and track movement. 24/7 heart rate, sleep stages, 4 day battery charge, two chargers. syncs with MAC OS x 10.6 and up, iPhone 4s and later, android 5.0 and later and windows 10 devices. use 15 plus exercise modes water resistance. Access fav apps for sports weather and more! Get call, calendar, and text alerts. model 057-03-0918.version 32.72.1.23