Apple Watch Size

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  • The first of its kind, FDA-cleared, clinical grade wearable EKG replaces your original Apple Watch® band providing access to a 30-second EKG anytime, anywhere. KardiaBand requires Premium membership.
  • KardiaBand features are designed exclusively for use with Kardia Premium membership. Premium membership is required for KardiaBand and available for just £9.99/mo or £99/year. One month free trial of Premium is included with purchase.
  • KardiaBand provides accurate and instant analysis for detecting atrial fibrillation (AF) and normal sinus rhythm in an ECG. Simply place your thumb on the integrated KardiaBand sensor to take a medical-grade ECG in just 30 seconds.
  • Enjoy unlimited history and storage of your ECG recordings, a monthly ECG summary report to share with your doctor, along with the ability to track your blood pressure, activity and weight.
  • Features SmartRhythm monitoring which intelligently evaluates your heart rate and physical activity. When it sees something it doesn't expect, SmartRhythm sends you a notification to take an ECG.
  • KardiaBand requires a paired iPhone and Apple Watch (See compatibility below). KardiaBand does not work with Android phones.
  • Ships with two band lengths to assure a perfect fit.
  • Apple Watch sold separately.
  • For phone orders, please call 0 333 301 0433


Tech Specs


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KardiaBand Size Chart
Apple Watch Size KardiaBand Length Specifications
38mm Includes both band lengths Fits wrist circumference 155 - 235mm
42mm Small/Medium Fits wrist circumference 155 - 205mm
Large Fits wrist circumference 170 - 235mm