Heart Rate Monitor or Fitbit or both

Hello, I have a question how many wear a heart rate monitor? I use to wear a heart rate monitor and a fitbt, but my HR died...infact this is the 2nd one that only lasted a year...I am a little upset that the HR monitor doesn't last longer...any thoughts ..when I wore both I noticed that the HR was pretty close to want the fitbit in calories said...just maybe off by 100...except when I used weighs than the HR was always higher than th fitbit..curious what others use and think...:))

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