Brand new Fitbit Charge HR, in an unopened box, which has been supplied as a replacement for one with a faulty strap. Not required as now buying a Fitbit model which is more like a watch.
-Let your heart be your guide with Charge HR
-Monitor heart rate automatically and continuously right on your wrist
-Take control of your goals using Charge HR to record workouts and track all-day activity
-With a comfortable fit and Caller ID, Charge HR lets you stay connected in style
-Use Exercise Mode to easily record workouts, see real-time exercise stats and have summaries automatically appear on your Fitbit dashboard
-Get a better picture of your overall health by using Charge HR to automatically track how long and how well you sleep
This is a large size band is 6.2"- 7.6"