Xiaomi Smart Watch S4

Model: Watch S4
Brand: Xiaomi
Display: 1.43-inch AMOLED approx., 466 × 466 pixels resolution, 60Hz refresh rate approx.
Peak Brightness: Up to 1500 nits approx.
Dimensions & Weight: Approx. 47.3 × 47.3 × 12 mm, weight around 44.5 g approx.
Water Resistance: Up to 5ATM
GNSS: GPS + Galileo + GLONASS + BeiDou + QZSS
Operating System: HyperOS 2.0 approx.
Battery Capacity: Approx. 486 mAh
Battery Life: Up to approx. 15 days under typical usage
Connectivity: Bluetooth approx. version 5.3, some variants support NFC
Sensors: Heart rate monitor, SpO₂ sensor, accelerometer, gyroscope, electronic compass, barometer, ambient light sensor
Sports Modes: Supports over approx. 150 workout/sport modes
Video/Streaming: No specific detailed video encoding data provided

3 months warranty