Xiaomi Watch S4
- Screen 1.43 inch AMOLED
- Battery life up to 15 days in normal mode
- Water resistance 5 ATM
- Sensors Heart rate sensor (with blood oxygen sensor), accelerometer, gyroscope, geomagnetic sensor, barometer sensor, ambient light sensor
- Date October 2024
Specs
General
| Physical size | 47.3 x 47.3 x 12mm |
| Material | Aluminium alloy frame, stainless steel bezel, corning glass, interchangeable bezel |
| Charging | USB |
| Battery | 486 mAh |
| Battery life | Typical usage up to 15 days, AOD usage - up to 5 days |
| Water resistance | 5 ATM (down to depths of 50 metres) |
| Weight | 44.5 grams (without strap) |
| Display type | AMOLED |
| Display size | 1.43 inch |
| Display resolution | 466x 466 pixels, 326 PPI, up to 1500 nits |
| Color options | Classic black and white body |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | Yes |
| Compass | Yes |
| Galvanic skin response | No |
| Geomagnetic | No |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | Yes |
| Temperature | No |
| GPS | Yes |
| GALILEO | Yes |
| GLONASS | Yes |
| QZSS | Yes |
| Beidou | Yes |
| Ambient light sensor | Yes |
| Vibration motor | Yes |
| Microphone | Yes |
| Speakers | Yes |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes (117 sports modes) |
| Floors | Yes |
| Sleep | Yes |
| Heart rate | Yes |
| Stress | Yes |
| Blood oxygen | Yes |
| Respiration rate | No |
| UV exposure | No |
| Skin temperature | No |
| Hydration level | No |
| HRV | No |
| ECG | No |
| Calorie intake | No |
| Blood pressure | No |
| Glucose | No |
Daily smart features
| Smartphone notifications | Yes |
| Smartphone music control | Yes |
| On-board music storage | Yes |
| Connected pay | Yes |
| Cellular | Optional |
| Connectivity | Bluetooth 5.3, Wi-Fi 802.11 b/g/n |
| Operating system | HyperOS 2.0 |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.