12/02/2026
Xiaomi Watch S4
Frame: Aluminum alloy frame
Battery: Typical usage time: 15 days Capacity: 486mAh
Sensors: Heart rate sensor (with blood oxygen sensor) | Accelerometer | Gyroscope | Ambient light sensor | Electronic compass | Barometer sensor | Hall sensor
Satellite positioning systems: GPS | Galileo | Glonass | BeiDou | QZSS
Display: Resolution: 466 x 466 pixels๏ผPPI 3261.43-inch AMOLED display60Hz refresh rate*Display refresh rate may vary across different interfaces. Please refer to the actual usage scenario.Brightness: HBM 1500 nits*The HBM brightness is the maximum brightness when the entire screen lights up.
Specifications: Built-in GNSS: Supported Water resistance rating: 5ATM*The 5ATM water resistance rating (equivalent to a depth of 50 meters) means it can be worn in swimming pools, while swimming near the shore, and during other shallow water activities. It is not suitable for wearing in hot showers, saunas, or while diving. Make sure to avoid direct impacts from swift currents during water sports. Water resistance is not permanent and may deteriorate over time. Speaker: Supported Microphone: 2 micsNFC: Supported*NFC availability may vary by region. Bluetooth calling: Supported*The watch must be kept connected to the smartphone's Bluetooth. Voice calls from third-party apps are not currently supported. Wireless connectivity: Bluetoothยฎ 5.3Operating system: Xiaomi Hyper OS 2Compatibility: Supports smartphones with Android 8.0 and above, or iOS 14.0 and above. Charging port: 2-Pin magnetic charging dock
Dimensions: 47.3mm x 47.3mm x 12.0mm
Xiaomi
