Yes, Fitbit Ionic and newer Fitbit products will work with Windows 10 Mobile | Windows Central
Fitbit Ionic User Manual
How to fix Fitbit Ionic that's not receiving notifications from Android – The Droid Guy
fitbit on Twitter: "A message to our users: Customer safety is always Fitbit's top priority and out of an abundance of caution, we've announced a voluntary recall of Fitbit Ionic smartwatches. Please