Xiaomi Watch S4
Platform
| OS | HyperOS 2 |
Memory
| Card slot | No |
Display
| Protection | Scratch/drop-proof glass |
| Resolution | 466 x 466 pixels (~326 ppi density) |
| Size | 1.43 inches |
| Type | AMOLED, 2200 nits (peak) |
Body
Waterproof (5ATM) | |
| SIM | eSIM (market/region dependent) |
| Build | Aluminum alloy frame, stainless steel bezel |
| Weight | 44.5 g (1.59 oz) |
| Dimensions | 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in) |
Battery
| Type | Li-Po 486 mAh, non-removable |
Sound
| 3.5mm jack | No |
| Loudspeaker | Yes |
Features
| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
Misc
| Price | About 130 EUR |
| Models | M2424W1, M2425W1 |
| Colors | Black, Silver |
Comms
| USB | No |
| Radio | No |
| NFC | Yes (market/region dependent) |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
| Bluetooth | 5.3, A2DP, LE |
| WLAN | No |
Camera
No |
Launch
| Status | Available. Released 2024, October 29 |
| Announced | 2024, October 29 |
Network
| EDGE | No |
| GPRS | No |
| Speed | HSPA, LTE |
| 4G bands | LTE |
| 3G bands | HSDPA |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| Technology |