https://getwellue.com/pages/visualbeat-heart-rate-monitor

Price: $76.99

Description:

Continuous real-time heart rate tracking up to 24 hours achieves all-day monitoring. The device automatically transmits pro heart trace to your mobile APP and reminds in vibration for high heart rate, preventing irregular heartbeat problems (e.g. arrhythmia, heart pause, tachycardia & bradycardia, and premature ventricular contraction, etc.). EKG recording in APP provides expanded insights.

The SELF Institute