Table 1 Summary of most popular consumer wearable devices.
From: Guidelines for wrist-worn consumer wearable assessment of heart rate in biobehavioral research
Devicea | Sensor type | FDA status | Sampling rate (i.e., how often it samples) | Sampling frequency | Cost | Market size/share 2019 Q478 | |||
|---|---|---|---|---|---|---|---|---|---|
Green LED | Red LED | Infrared LED | ECG | ||||||
Apple79 | X | X | X | 510(k) class II clearanceb | Variable • Rest—every 10 min • Exercise—continuous | 100 s × per second | $199 (v3) to $399 (v5) | 36.5% | |
Fitbit80 | X | None | Variable • Rest—5 s intervals • Exercise—1 s intervals | Unknown | $149 (Charge 4) to $199 (Versa 2) | 5.0% | |||
Garmin81 | X | None | Variable | Variable • High Frequency • Low Frequency | $129 (vivosmart 4) | a | |||
Samsung | X | None | Manual | Unknown | Galaxy Fit ($99) | 8.8% | |||
Xiaomi | X | None | Continuous | Unknown | Mi Band 4 ($39.99) | 10.8% | |||
Huawei82 | X | None | Default is set to manual. Can turn on continuous, which measures every 10 min or every 6–10 s during high-intensity workouts | Unknown | Huawei Band 4 ($42.31) | 7.8% | |||
