| Specification | Fitbit Versa 3 | Withings ScanWatch |
|---|---|---|
| General | ||
| Screen Size (mm) | 40 | 38 |
| Display Type | ||
| Frame | Silicone | Stainless Steel |
| Color/finish | Black | Black |
| Physical | ||
| Width (inch) | 1.5 | 4.8 |
| Lenth (inch) | 1.5 | 8.2 |
| Height (inch) | 0.4 | 2 |
| Features | ||
| Others | 24/7 Heart Rate, Alexa Built-in, 6+ Days Battery, Black/Black, One Size (S & L Bands Included) | Hybrid Smartwatch & Activity Tracker with Connected GPS, Heart Rate Monitor, Sleep Monitor, Smart Notifications, Water Resistant with 30-Day Battery Life |
| Sensors | Altimeter | Exclusive multi-wavelength PPG heart rate/SpO2 sensor, Stainless steel electrodes, High precision MEMS 3-axis accelerometer |
| Voice Control | ||
| App Control | ||
| Water Resistant | ||
| Bluetooth | ||
| Speaker |