EMAY Portable ECG Monitor (for iPhone & Android, Mac & Windows) | Wireless EKG Monitoring Devices to Track Heart Rate & Rhythm for Heart Performance 4.6 out of 5 stars 784 $119.00
https://www.amazon.com/SonoHealth-Electrocardiogram-Biofeedback-Irregular-Arrhythmia/dp/B07SLMHG3M

