02-23-2014 17:49
02-23-2014 17:49
How does Fitbit calculate your sleep and awake mode? I'm baffled that it knows when I'm awake or just restless. Is it taking my palse rates?
02-23-2014 17:53
02-23-2014 17:53
Your FitBit isn't taking your pulse or heart rate. Here is an article to read about it.