41mm / Sunset gold milanese strap
Xiaomi Watch S4, black - Smart watch
Xiaomi Watch S4 combines elegant design, a vibrant 1.43″ AMOLED display, and up to 15 days of battery life. With advanced health tracking, 150+ sports modes, precise dual-band GPS, and Xiaomi Smart Hub support, it’s built for both everyday use and active lifestyles.
• 1.43″ AMOLED display with up to 2200 nits brightness
• Up to 15 days battery + 5-min charge = 2 days usage
• Interchangeable bezel and classic rotating crown
• Heart rate, SpO₂, stress, sleep monitoring
• 150+ sports modes + dual-band GNSS
• Works with Xiaomi Smart Hub and Mi Fitness app
Xiaomi Smartwatch
| Feature | Specification |
|---|---|
| Design & Build | Black aluminum casing (47 mm), 44.5 g, 4.73 x 4.73 x 1.2 cm |
| Display | 1.43″ AMOLED, 466x466 (326 PPI), 60 Hz, 2200 nits peak brightness, Always-On, wet touch response |
| Battery | 486 mAh, up to 15 days (360 h) battery life, fast charging (5 mins = 2 days) |
| Software & Hub | HyperOS 2 (Android 15), gesture control, Xiaomi Smart Hub integration |
| Connectivity | Bluetooth 5.3, NFC, Dual-Band GNSS (GPS, GLONASS, Galileo, Beidou, QZSS), Microphone, Speaker |
| In the Box | Smartwatch, power supply, strap (fits 140–210 mm) |
Health & Fitness Tracking
- Sensors: Accelerometer, E-compass, barometer, light sensor, gyroscope, hall sensor
- Health Monitoring: Heart rate (up to 98% accuracy), SpO₂, stress levels, 24/7 sleep tracking, VO2 Max, women's health tracking
- 60-Second Check: Quick multi-metric scan for heart rate, oxygen levels, and stress
- Workouts: 150+ activity modes with advanced metrics (stride length, ground contact time)
- Safety: Ski fall detection with automatic emergency calling
Smart Features & Customization
- Interchangeable bezels, classic straps, and a rotating crown
- Remote camera control, phone finder, earbud settings, and smart home management
- Data syncing with Mi Fitness, Strava, Health Connect, and Suunto.