Rob ter Host https://www.linkedin.com/in/rob-ter-horst-90756a4a/?originalSubdomain=at Rob ter Horst scientifically tested the accuracy of more than 100 smartwatches with a Polar H10 chest strap which costs 80 USD: He refers to a paper of the Swiss Federal Institute of Sport Magglingen SFISM: RR interval signal quality of a heart rate monitor and an ECG Holter at rest …
Continue reading “To buy a heart rate monitor from Rob ter Horst or from Alfred E. Schiller ?”