Table 1.

Examples of consumer, clinical, and research-grade wearable devices.

Manufacturer	Product Name	Description	Measurements	Market Access	References
Apple Inc.	Apple Watch Series 4–6 ECG-App	Software paired with specific device type (Apple Watch Series 4–6)	ECG, Oxygen Saturation, Accel	FDA Cleared/CE Marked	[5]
AliveCor	Kardia Band	Wristband	ECG	FDA Cleared	[6]
Ava Science, Inc.	Ava Wristband	Wristband	Accel, PPG HR, temperature sensors	FDA Approved	[7]
Fitbit	Charge/Sense	Software paired with specific device type (Fitbit Charge 2–3, Sense)	Accel, PPG HR	FDA Cleared/CE Marked	[8]
Omron	Heart Guide	Watch	Accel, PPG HR, oscillometric bloodpressure	FDA Approved	[9]
Withings	ScanWatch	Watch	ECG, Oxygen Saturation, HR, Accel	FDA Cleared/CE Marked	[10]
iRhythm	Ziopatch	Chest patch	ECG	FDA Cleared	[11]
Motiv	Motiv Ring	Ring	Accel, PPG HR	Consumer grade	[12]
Preventice	Bodyguardian Heart	Chest patch	Accel, ECG	FDA Cleared	[13]

ECG = Electrocardiography, Accel = Accelerometer, PPG = Photoplethysmography, HR = Heart Rate, FDA = Food and Drug Administration, CE = Conformitè Europëenne (EN, European Conformity). Table adapted and updated with recent data from [14].