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This paper is in the following e-collection/theme issue:

Wearable Devices and Sensors (1217) mHealth for Data Collection and Research (1265) Ubiquitous Health (uHealth) (136) Research Instruments, Questionnaires, and Tools (788) Novel Sensors and Data Acquisition Methods in Cardiology (236) Fitness Trackers and Smart Pedometers/Accelerometers (693) Cardiac Self-Management (154) e-Cardiology and Telemonitoring in Cardiology (231)

Published on in Vol 13 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/54871, first published .
Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Authors of this article:

Maxime Ceugniez1 Author Orcid Image ;   Hervé Devanne1 Author Orcid Image ;   Eric Hermand1, 2 Author Orcid Image
Article Authors Cited by (8) Tweetations Metrics

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  3. Kang M, Yoon H. Effect of urban green infrastructure on psychological and physiological responses under outdoor heat exposure: An experimental study. Building and Environment 2026;287:113811 View
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  5. Jiao Y. Validity and challenges of optical heart rate sensors in real-time classification of exercise intensity zones. Sensor Review 2026:1 View
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  7. Gong X, Jiang D, Wei X, Jiao Z. Exploring the effects of short-term indoor CO 2 exposure on heart rate and cognition in university students: A pilot study. Building Services Engineering Research & Technology 2026 View
  8. Sicbaldi M, Bartoli L, Albites-Sanabria J, D’Ascanio I, Silvani A, Chiari L, Camon A, Palmerini L. Is my smartwatch a valid witness? A systematic review and meta-analysis. Forensic Science International 2026;384:112901 View