| Product |
Xiaomi Mi Watch (China)
|
Xiaomi Watch S4 41mm
|
| Battery |
| Charging |
Wireless |
- |
| Type |
Li-Ion 570/590 mAh, non-removable |
Li-Po 320 mAh |
| Body |
| Build |
- |
Stainless steel bezel and frame |
| Dimensions |
44.7 x 36.9 x 12.3 mm (1.76 x 1.45 x 0.48 in) |
41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in) |
| SIM |
eSIM |
No |
| Weight |
44 g / 56 g (1.55 oz) |
32 g (1.13 oz) |
| |
- |
Waterproof (5ATM) |
| Camera |
| |
No |
No |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
5.4, A2DP, LE |
| NFC |
Yes |
Yes (market/region dependent) |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio |
No |
No |
| USB |
No |
No |
| WLAN |
Wi-Fi 802.11 b/g/n |
No |
| Display |
| Protection |
Corning Gorilla Glass 3 or Sapphire crystal glass |
Scratch/drop-proof glass |
| Resolution |
368 x 448 pixels (~326 ppi density) |
466 x 466 pixels (~320 ppi density) |
| Size |
1.78 inches |
1.32 inches |
| Type |
Super AMOLED |
AMOLED, 1500 nits (HBM), 2200 nits (peak) |
| Features |
| Sensors |
Accelerometer, gyro, heart rate, barometer |
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
| Launch |
| Announced |
2019, November. Released 2019, November |
2025, June 26 |
| Status |
Discontinued |
Available. Released 2025, June 26 |
| Memory |
| Card slot |
No |
No |
| Internal |
8GB 1GB RAM |
- |
| |
eMMC 4.5 |
- |
| Misc |
| Colors |
Black, Silver |
Black, Green, White, Gold |
| Models |
- |
M2502W1 |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
N/A |
| 3G bands |
HSDPA 850 / 900 / 2100 |
N/A |
| 4G bands |
1, 3, 5, 7, 8, 18, 19, 20, 26, 39, 40, 41 |
N/A |
| EDGE |
- |
No |
| GPRS |
- |
No |
| Speed |
HSPA, LTE |
- |
| Technology |
GSM / HSPA / LTE |
No cellular connectivity |
| Platform |
| Chipset |
Qualcomm Snapdragon Wear 3100 (28 nm) |
- |
| CPU |
Quad-core 1.2 GHz Cortex-A7 |
- |
| GPU |
Adreno 304 |
- |
| OS |
Proprietary OS |
HyperOS 2 |
| Sound |
| 3.5mm jack |
No |
No |
| Loudspeaker |
Yes |
Yes |
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