I was planning on writing a post about this in the near future and came across a similar post today from Face Up Beauty. So I’m going to refer you to that post for now.
It’s well written and reviews the Beets Blu Body Composition Smart Scale. We haven’t reviewed that scale yet, but have a list of the most accurate scales that we have found. The conclusion is that you should take the readings as a guide rather than gospel. I’ve linked to the full post below.