KardiaMobile Card is a Personal EKG Monitor – Fits in Your Wallet – Detects AFib and Irregular Arrhythmias – Instant Results in 30 Seconds – Easy to Use – Works with Most Smartphones – FSA/HSA Eligible About KardiaMobile Card THIN AND LIGHT AS A CREDIT CARD. Arrhythmias don’t wait for the doctor’s office, so we created a portable, durable personal EKG that fits in your wallet and goes anywhere you go. FDA-CLEARED & DOCTOR-RECOMMENDED. KardiaMobile Card is our most advanced single-lead EKG. Kardia technology is recommended by cardiologists worldwide. ACCURATE EKG RESULTS. Record a medical-grade EKG and get an accurate analysis of your heart rhythm in seconds. EASY TO USE: Place your thumbs or fingers on the sensors to detect Atrial Fibrillation (AFib), Bradycardia, Tachycardia and Normal Sinus Rhythm. Additional detections and features are available with a KardiaCare subscription. KardiaCare is not included with this product. BLUETOOTH-ENABLED EKG. No WiFi is required so that you can take an electrocardiogram (EKG) anytime, anywhere. KardiaMobile Card uses Bluetooth technology to connect to your phone. Works with most smartphones and tablets. See compatible devices HERE.