What Apple Watch Do I Have? Updated January 18, 2018 04:46 Follow instructions here: https://support.apple.com/en-us/HT204507 Related articles Is KardiaBand water resistant? Can Kardia Mobile or Kardia Band detect Arrhythmias other than AFIb? Does the KardiaBand need to be charged? When I upgrade to Premium will I see all my historical recordings? Will SmartRhythm affect Apple Watch battery life? If so, will I need to charge my Apple Watch daily?