Xiaomi Watch S4 – Specifications
General
Product Name
Xiaomi Watch S4
Dimensions
47mm case size (approx.)
Weight
Approx. 48g (without strap)
Build
Aluminum alloy frame, reinforced polymer bottom
Display
Resolution
466 × 466 pixels
Brightness
Up to 600 nits • Always-On Display support
Health & Sensors
Sensors
Optical Heart Rate • SpO₂ • Stress • Sleep Tracking • Accelerometer • Gyroscope • Compass
Sports Modes
150+ workout modes with smart recognition
Water Resistance
5ATM swim-proof
Connectivity
GNSS
Dual-band GPS • GLONASS • Galileo • BeiDou • QZSS
App Compatibility
Mi Fitness / Xiaomi Wear App
Smart Features
Notifications • Calls • Music Control • Camera Shutter • Find Device
Battery
Battery Life
Up to 14 days typical use • Up to 7 days heavy use
Charging
Magnetic charging base
Charging Time
Approx. 1.5 hours
Features
Watch Faces
Hundreds of customizable watch faces
Straps
Quick-release straps in multiple colors
Extra Features
Stress tracking • Breathing training • Menstrual tracking • Alarm • Timer • Weather
