I love my Aria -- but I don't love having to go through the entire set-up process again each time I change the batteries! Maybe if you only have one computer set-up is no big deal, but because my iphone, mac mini, and macbook are all connected setting up the Fitbit scale again takes a long time....so long that after 30 minutes, I decided to just enter my weight manually. And yes, I read the post that said that if you cnanged the batteries before they went dead you wouldn't need to go through the whole setup process again -- but that isn't always possible, especially since my Aria anyway turns itself on randomly and when I came home from a trip recently, the batteries were dead. And a general comment: I have been using Fitbit for years, and the very first products worked more reliably and were faster to set up than the later ones.
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