Xiaomi Watch S4 41mm
Platform
| OS | HyperOS 2 |
Memory
| Card slot | No |
Display
| Protection | Scratch/drop-proof glass |
| Resolution | 466 x 466 pixels (~320 ppi density) |
| Size | 1.32 inches |
| Type | AMOLED, 1500 nits (HBM), 2200 nits (peak) |
Body
Waterproof (5ATM) | |
| SIM | No |
| Build | Stainless steel bezel and frame |
| Weight | 32 g (1.13 oz) |
| Dimensions | 41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in) |
Battery
| Type | Li-Po 320 mAh |
Sound
| 3.5mm jack | No |
| Loudspeaker | Yes |
Features
| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
Misc
| Price | About 120 EUR |
| Models | M2502W1 |
| Colors | Black, Green, White, Gold |
Comms
| USB | No |
| Radio | No |
| NFC | Yes (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS |
| Bluetooth | 5.4, A2DP, LE |
| WLAN | No |
Camera
No |
Launch
| Status | Available. Released 2025, June 26 |
| Announced | 2025, June 26 |
Network
| EDGE | No |
| GPRS | No |
| 4G bands | N/A |
| 3G bands | N/A |
| 2G bands | N/A |
| Technology |