Xiaomi Watch S4 41mm Leather Strap - White

The Xiaomi Watch S4 41mm is a compact smartwatch with a 1.32-inch AMOLED display, a stainless-steel frame, and a white leather strap. Its display offers a 466 × 466 resolution, 352 PPI, a refresh rate of up to 60Hz, and HBM brightness of up to 1500 nits. The watch measures 41.2 × 41.2 × 9.5mm and weighs approximately 32g without the strap.

It supports heart-rate monitoring, blood-oxygen monitoring, stress monitoring, automatic sleep tracking, and skin-temperature measurement. The watch also supports more than 150 workout modes and dual-frequency L1 + L5 GNSS positioning using GPS, Galileo, GLONASS, BeiDou, and QZSS satellite systems.

Xiaomi Watch S4 41mm supports Bluetooth calling through its built-in microphone and speaker, as well as NFC where supported by the region. It has a 5ATM water-resistance rating and can be used for pool swimming and other shallow-water activities. Its 320mAh battery provides up to 8 days of light usage, up to 4 days of normal usage, and up to 3 days of heavy usage.

Specifications

* Product: Xiaomi Watch S4 41mm
* Color: White
* Strap: Leather
* Adjustable Strap Length: Approx. 120–190mm
* Frame Material: Stainless Steel
* Dimensions: 41.2 × 41.2 × 9.5mm
* Weight: Approx. 32g without strap
* Display: 1.32-inch AMOLED
* Resolution: 466 × 466 pixels
* Pixel Density: 352 PPI
* Refresh Rate: Up to 60Hz
* HBM Brightness: Up to 1500 nits
* Battery Capacity: 320mAh
* Battery Life – Light Usage: Up to 8 days
* Battery Life – Normal Usage: Up to 4 days
* Battery Life – Heavy Usage: Up to 3 days
* Charging: 2-pin magnetic charging dock
* Full Charging Time: Approx. 60 minutes
* Water Resistance: 5ATM
* Bluetooth: Bluetooth 5.4
* Bluetooth Calling: Supported
* Speaker: Supported
* Microphone: 1 microphone
* NFC: Supported; availability varies by region
* Positioning: Dual-frequency L1 + L5 GNSS
* Satellite Systems: GPS, Galileo, GLONASS, BeiDou, QZSS
* Sports Modes: 150+ workout modes
* Health Monitoring: Heart rate, blood oxygen (SpO₂), stress, sleep and skin temperature
* Sensors: Heart rate sensor with blood oxygen sensor, accelerometer, gyroscope, ambient light sensor, electronic compass, barometer and temperature sensor
* Operating System: Xiaomi HyperOS 3
* Compatibility: Android 8.0 or later / iOS 14.0 or later
* Companion App: Mi Fitness