Xiaomi Watch S4 47.3mm Smartwatch, Black

The Xiaomi Watch S4 features a 47.3 mm round aluminium case enclosing a 1.43-inch AMOLED display. The screen provides a 466 x 466 pixel resolution, a pixel density of 461 ppi, and is protected by Gorilla Glass. It operates on the Xiaomi HyperOS platform, which manages system functions and data presentation. User interaction is handled via the touchscreen, physical inputs, and a double-tap gesture for specific controls.

This device is equipped with a comprehensive sensor suite for health and activity monitoring, including heart rate, blood oxygen, and skin temperature sensors. For location services, it integrates a GNSS module supporting GPS, Galileo, GLONASS, BeiDou, and QZSS. It also contains an accelerometer, gyroscope, barometer, and an electronic compass. The watch is rated for 5 ATM water resistance, making it suitable for use during surface water activities. Compatibility extends to mobile devices running Android 8.0 or iOS 14.0 and later via a Bluetooth 5.3 connection.

• 1.43-inch always-on AMOLED display
• Aluminium case construction with a 47.3 mm size
• Multi-system GNSS for location positioning
• Monitors heart rate, blood oxygen, and skin temperature
• Includes accelerometer, gyroscope, and barometer sensors
• Features fall detection and multisport modes
• Provides smart notifications and NFC functionality
• Integrated microphone and speaker for Bluetooth calls
• Offers up to 15 days of typical battery life
• Compatible with Android 8.0+ and iOS 14.0+
• Features a removable fluororubber or nylon band