Xiaomi Watch S4 41mm

Key Features:

• Display: 1.32-inch AMOLED
• Resolution: 466 × 466 pixels，PPI 352
• Refresh rate: 60Hz
• Dimensions: 41.2mm × 41.2mm × 9.5mm
• Brightness: HBM 1500nits
• Frame: Stainless steel
• Weight: 32g
• Battery: 320mAh
• Built-in GNSS: Supported
• Water resistance rating: 5ATM
• Speaker: Supported
• Microphone: 1 mic
• Bluetooth calling: Supported
• Wireless connectivity: Bluetooth® 5.4
• Operating system: Xiaomi HyperOS 3
• Compatibility: Supports smartphones with Android 8.0 and above, or iOS 14.0 and above.
• Charging port: 2-Pin magnetic charging dock

Additional Features:

• Skin temperature monitoring: Skin temperature measurement | Overheat alerts
• Sensors: Heart rate sensor (with blood oxygen sensor) | Accelerometer | Gyroscope | Ambient light sensor | Electronic compass | Barometer sensor | Temperature sensor
• Satellite positioning systems: GPS | Galileo | Glonass | BeiDou | QZSS
• 150+ sports modes