Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large Size

Used, good conditions, works great, it was my son’s watch but he almost never used .
Comes with a extra Blue band .
Charger , black band , (Size Large)
PurePulse continuous, automatic wrist based heart rate tracking to better measure calorie burn all day
Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak). Splash proof. Do not shower with the device or submerge it in water
See call, text and calendar notifications on the OLED display; Automatically track how long and how well you sleep and wake with a silent vibrating alarm. Reminders to move
Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score; Use Connected GPS during run mode to see real time stats like pace and distance on your wrist
Track all day activity like steps, distance, calories burned, floors climbed and active minutes;