Brand new, never opened Fitbit Charge 6 Features: see your heart rate in real time when you connect to your fav compatible exercise equipment, over 20 new exercise modes, connect to YouTube music, ECG app monitors heart health, daily score of how your body responds to stress, 6 month Fitbit premium membership, 7 day battery life, 24/7 heart rate tracking, active zone minutes, sleep score, notifications for calls, texts and smartphone apps, water resistant to 164 ft