Experience the perfect blend of style and innovation with the Xiaomi Watch S4. Designed for those who refuse to compromise, this smartwatch showcases a stunning 1.43-inch AMOLED display with ultra-bright 1500-nit HBM brightness, delivering crystal-clear visuals even under direct sunlight. Its refined build features scratch and drop-proof glass for everyday durability, while customizable bezels and straps let you make the watch uniquely yours. Enjoy fluid, vibrant visuals at a crisp 466 x 466 resolution with a smooth 60Hz refresh rate—ideal for tracking activity, reading notifications, or simply telling the time. With its sleek design, 5ATM water resistance, and up to 486mAh battery for all-day performance, the Xiaomi Watch S4 seamlessly blends elegance with practicality. Perfect for fitness enthusiasts and style-conscious users alike, it’s a testament to modern wearable craftsmanship. Elevate your wristwear and express your individuality with the Xiaomi Watch S4.
Specifications
| Display | Resolution: 466 x 466 pixels，PPI 326 1.43-inch AMOLED display 60Hz 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. |
| Battery Charging | Typical usage time: 15 daysCapacity: 486mAh |
| Sensor | Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Hall sensor |
| Package Contents | Xiaomi Watch S4 (including bezel and strap) / Magnetic charging dock / User manual (including warranty notice) |
| Send to Facebook | Yes |
| Dimensions | 47.3mm x 47.3mm x 12.0mm *Height width and thickness dimensions exclude the strap and protrusions 44.5g approx. (without inbox strap) |
| spec_note | The Xiaomi Watch S4 is a premium smartwatch with a 1.43-inch AMOLED display offering bright visuals and a rotating crown for easy navigation. It features up to 15 days of battery life advanced health tracking (heart rate blood oxygen sleep and stress monitoring) and 150+ sports modes for fitness enthusiasts. The watch includes fall detection for safety customizable designs with interchangeable straps and a sleek premium frame. Additionally it supports Bluetooth GPS water resistance and smart notifications making it an all-around versatile and stylish wearable. |
| watch_frame | Aluminum alloy frame |
| Microphone | 2 mics |
| Satellite Position Systems | GPS | Galileo | Glonass | BeiDou | QZSS |
| 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. |
| compatible_with | Operating system: Xiaomi HyperOS 2 Compatibility: Supports smartphones with Android 8.0 and above or iOS 14.0 and above. |
| wireless_connection | Bluetooth® 5.3 |
| speakers | supported |
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