The Garmin Vivofit 4 Activity Tracker is light and comfortable to wear. I have no idea how to use it. The directions are hard to understand. I think you have to push the silver button to get it to sync so you can track your daily results on the app. My fitbit was much easier to use but the Garmin looks better and does not cause a skin reaction from the band. I do like that I don't have to charge it every 5 days. Maybe someone who is more tech minded would be happier with the Garmin.