Click here for full detailsSpecifications:Design & Dimensions • Dimensions: 41.2 × 41.2 × 9.5 mm • Weight: Approx. 32 g (without strap) • Frame: Stainless steelDisplay • Type: AMOLED • Size: 1.32 inches • Resolution: 466 × 466 pixels • Pixel density: 352 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 • Temperature sensorNavigation & Connectivity • Satellite positioning systems: GPS, Galileo, GLONASS, BeiDou, QZSS • Wireless connectivity: Bluetooth® 5.4 • Bluetooth calling supported • NFC supported (availability may vary by region)Battery & Charging • Battery capacity: 320 mAh • Light usage: Up to 8 days • Normal usage: Up to 4 days • Heavy usage: Up to 3 days • Charging type: 2-pin magnetic charging dockWater Resistance • 5ATM (suitable for swimming and shallow water activities)Audio • Speaker: Supported • Microphone: 1 micOperating System & Compatibility • Operating system: Xiaomi HyperOS 3 • Compatible with Android 8.0 or iOS 14.0 and aboveStrap Options • Black: Fluororubber strap (120–190 mm) • Mint Green: Fluororubber strap (120–190 mm) • White: Leather strap (120–190 mm) • Sunset Gold: Milanese strap (130–190 mm)What’s in the Box • Xiaomi Watch S4 41mm ×1 • Magnetic charging dock ×1 • User manual (including warranty notice) ×1• 12 Month Limited Warranty* * Warranty becomes null and void from electrical, power surges or power related issues and user damage.
