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Accepted for/Published in: JMIR Formative Research

Date Submitted: Sep 16, 2021
Date Accepted: Jan 13, 2022

The final, peer-reviewed published version of this preprint can be found here:

Heart Rate Measurement Accuracy of Fitbit Charge 4 and Samsung Galaxy Watch Active2: Device Evaluation Study

Nissen M, Slim S, Jäger K, Flaucher M, Hübner H, Danzberger N, Fasching PA, Beckmann MW, Gradl S, Eskofier BM

Heart Rate Measurement Accuracy of Fitbit Charge 4 and Samsung Galaxy Watch Active2: Device Evaluation Study

JMIR Form Res 2022;6(3):e33635

DOI: 10.2196/33635

PMID: 35230250

PMCID: 8924780

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

Per the author's request this version is not available.