Click here for full detailsSpecifications:Design & Dimensions • Dimensions: 47.3 × 47.3 × 12.0 mm • Weight: Approx. 44.5 g (without strap)Display • Type: AMOLED • Size: 1.43 inches • Resolution: 466 × 466 pixels • Pixel density: 326 PPI • Refresh rate: 60Hz • Brightness: Up to 1500 nits (HBM)Sensors • Heart rate sensor (with blood oxygen monitoring) • Accelerometer • Gyroscope • Ambient light sensor • Electronic compass • Barometer sensor • Hall sensorNavigation & Connectivity • Satellite positioning systems: GPS, Galileo, GLONASS, BeiDou, QZSS • Bluetooth® 5.3 • Bluetooth calling supported • NFC supported (availability may vary by region)Battery & Charging • Battery capacity: 486 mAh • Typical usage time: Up to 15 days • Charging type: 2-pin magnetic charging dockWater Resistance • 5ATM (suitable for swimming and shallow water activities) Audio • Speaker: Supported • Microphones: Dual microphonesOperating System & Compatibility • Operating system: Xiaomi HyperOS 2 • Compatible with Android 8.0 or iOS 14.0 and aboveStrap & Materials • Frame: Aluminum alloy • Strap options: ◦ Black: Fluororubber strap (140–210 mm) ◦ Silver: Fluororubber strap (140–210 mm) ◦ Rainbow: Fluororubber nylon strap (135–210 mm)What’s in the Box • Xiaomi Watch S4 (including bezel and strap) ×1 • Magnetic charging dock × 1 •
User manual (with warranty notice) ×1• 12 Month Limited Warranty* * Warranty becomes null and void from electrical, power surges or power related issues and user damage.
