Xiaomi
Xiaomi Watch S4
Technical specifications
Watch specifications
- Release year
- 2025
- Case dimensions excluding sensor
- 47.3 x 47.3 x 12 mm
- Weight without strap (g)
- 44.5
- Case and glass materials
- Aluminium
- Display type
- AMOLED
- Display size (inches)
- 1.43
- Resolution
- 466 x 466
- Operating system at launch
- Xiaomi HyperOS 2
- Phone compatibility
- Android 8.0+, iOS 14.0+
- Connectivity
- Bluetooth
- Navigation
- L1 + L5; GPS, GLONASS, Galileo, BeiDou, QZSS
- Battery (mAh)
- 486
- Bluetooth version
- 5.3
- Wi-Fi
- No
- NFC
- Yes
- Charging
- Magnetic charging contacts
- Durability ratings
- 5 ATM
- Heart-rate sensor
- Yes
- Accelerometer
- Yes
- Gyroscope
- Yes
- Compass
- Yes
- Barometer
- Yes
- Ambient light sensor
- Yes
- SpO2
- Yes
- Typical use, up to hours (Xiaomi estimate)
- 360
- Chip
- Model not listed in official specifications