| Brand | Xiaomi |
| Model | Xiaomi Watch S4 |
| Product Type | Smart Watch |
| Color | Black |
| Display Technology | 1.43-inch AMOLED Display |
| Display Resolution | 466 x 466 pixels, PPI 326 |
| Strap Material | Fluororubber |
| Frame | Aluminum alloy frame |
| Adjustable Strap Length | 140–210mm |
| Wireless Connectivity | Bluetooth 5.3 |
| Sensors | Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Hall sensor |
| Positioning | GPS, Galileo, Glonass, BeiDou, QZSS |
| Operating system | Xiaomi HyperOS 2 |
| Battery Capacity | 486mAh |
| Dimension | 47.3mm x 47.3mm x 12.0mm |
| Weight | 44.5g |
