Redmi Watch 4
- Screen 1.97 inch AMOLED
- Battery life up to 20 days
- Water resistance 5 ATM
- Sensors Accelerometer, gyroscope, 4 channel optical heart rate sensor, SpO2, ambient light sensor, GPS/GLONASS
- Date November 2023
Specs
General
| Physical size | 47.6 x 41.1 x 10.5 mm |
| Material | Plastic back, aluminium frame with stainless steel finish |
| Charging | USB |
| Battery | 470 mAh |
| Battery life | up to 20 days of typical usage, up to 10 days with AOD mode, up to 30 days with long battery mode |
| Water resistance | 50 metres (5 ATM) |
| Weight | 31.5 grams |
| Display type | AMOLED |
| Display size | 1.97 inch |
| Display resolution | 450 x 390 pixels |
| Color options | Black, White |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | No |
| Compass | Yes |
| Galvanic skin response | No |
| Geomagnetic | Yes |
| Gyroscope | Yes |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | Yes |
| Temperature | No |
| GPS | Yes |
| GALILEO | Yes |
| GLONASS | Yes |
| QZSS | Yes |
| Beidou | No |
| Ambient light sensor | No |
| Vibration motor | Yes |
| Microphone | Yes |
| Speakers | Yes |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes |
| Floors | No |
| 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 | No |
| Connected pay | NFC (For travel passes and access control) |
| Cellular | No |
| Connectivity | Bluetooth 5.5 |
| Operating system | HyperOS |
| Processor | Apollo4 Plus high-performance platform |
Disclaimer Note
You can write your own disclaimer from APS Settings -> General -> Disclaimer Note.
