Xiaomi Watch S4
1. Description
The Xiaomi Watch S4 combines a classic circular design with modern smartwatch technology. It features a 1.43″ AMOLED display with high resolution and smooth 60 Hz refresh rate. The aluminum alloy frame has a polished PVD finish, complemented by a stainless-steel rotating crown for intuitive navigation.
The watch is powered by HyperOS 2 and includes dual microphones, speaker, Bluetooth 5.3, NFC, eSIM support (region-dependent), and magnetic charging. It offers complete health tracking including heart rate, SpOâ‚‚, stress, and sleep monitoring. With over 150 sports modes and five-system GNSS, it's designed for both everyday use and fitness.
The 486 mAh battery lasts up to 15 days under typical use, and just five minutes of charging provides up to two days of operation. Despite its premium build, the watch weighs only around 44.5 g (without strap), making it comfortable for all-day wear.
2. Key Features
- 1.43″ AMOLED display with 466×466 resolution, 326 ppi, 60 Hz refresh rate
- Up to 2200 nits peak brightness for visibility in sunlight
- Rotating crown for easy UI control
- Aluminum alloy body with premium PVD finish
- Interchangeable bezels and quick-change straps
- Continuous heart rate, SpOâ‚‚, stress, and sleep tracking
- Built-in GNSS: GPS, Galileo, GLONASS, BeiDou, QZSS
- 150+ sports modes and advanced activity metrics
- Bluetooth 5.3, speaker, dual microphones, NFC, and eSIM (optional)
- 486 mAh battery with up to 15 days of use and fast charging
- 5 ATM water resistance
- Smart features: notifications, weather, voice assistant, call handling, and more
3. Specifications
| Feature | Details |
|---|---|
| Display | 1.43″ AMOLED, 466×466 px, 326 ppi, 60 Hz, 1500 nits HBM, 2200 nits peak |
| Dimensions & Weight | 47.3 × 47.3 × 12.0 mm; 44.5 g (without strap) |
| Frame | Aluminum alloy with PVD finish |
| Strap | Fluoro-rubber, 140–210 mm range, quick-release |
| Sensors | PPG heart-rate, SpOâ‚‚, accelerometer, gyroscope, ambient light, barometer, compass, hall sensor |
| GNSS | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Battery | 486 mAh; up to 15 days typical use |
| Water Resistance | 5 ATM |
| Connectivity | Bluetooth 5.3, NFC, dual microphones, speaker, optional eSIM |
| Operating System | HyperOS 2 |
| Storage | ~2.2 GB internal storage |
| Extras | Rotating crown, magnetic charger, customizable bezels, 150+ sports modes, 200+ watch faces |
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Original: $130.09
-70%$130.09
$39.03Product Information
Product Information
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Description
1. Description
The Xiaomi Watch S4 combines a classic circular design with modern smartwatch technology. It features a 1.43″ AMOLED display with high resolution and smooth 60 Hz refresh rate. The aluminum alloy frame has a polished PVD finish, complemented by a stainless-steel rotating crown for intuitive navigation.
The watch is powered by HyperOS 2 and includes dual microphones, speaker, Bluetooth 5.3, NFC, eSIM support (region-dependent), and magnetic charging. It offers complete health tracking including heart rate, SpOâ‚‚, stress, and sleep monitoring. With over 150 sports modes and five-system GNSS, it's designed for both everyday use and fitness.
The 486 mAh battery lasts up to 15 days under typical use, and just five minutes of charging provides up to two days of operation. Despite its premium build, the watch weighs only around 44.5 g (without strap), making it comfortable for all-day wear.
2. Key Features
- 1.43″ AMOLED display with 466×466 resolution, 326 ppi, 60 Hz refresh rate
- Up to 2200 nits peak brightness for visibility in sunlight
- Rotating crown for easy UI control
- Aluminum alloy body with premium PVD finish
- Interchangeable bezels and quick-change straps
- Continuous heart rate, SpOâ‚‚, stress, and sleep tracking
- Built-in GNSS: GPS, Galileo, GLONASS, BeiDou, QZSS
- 150+ sports modes and advanced activity metrics
- Bluetooth 5.3, speaker, dual microphones, NFC, and eSIM (optional)
- 486 mAh battery with up to 15 days of use and fast charging
- 5 ATM water resistance
- Smart features: notifications, weather, voice assistant, call handling, and more
3. Specifications
| Feature | Details |
|---|---|
| Display | 1.43″ AMOLED, 466×466 px, 326 ppi, 60 Hz, 1500 nits HBM, 2200 nits peak |
| Dimensions & Weight | 47.3 × 47.3 × 12.0 mm; 44.5 g (without strap) |
| Frame | Aluminum alloy with PVD finish |
| Strap | Fluoro-rubber, 140–210 mm range, quick-release |
| Sensors | PPG heart-rate, SpOâ‚‚, accelerometer, gyroscope, ambient light, barometer, compass, hall sensor |
| GNSS | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Battery | 486 mAh; up to 15 days typical use |
| Water Resistance | 5 ATM |
| Connectivity | Bluetooth 5.3, NFC, dual microphones, speaker, optional eSIM |
| Operating System | HyperOS 2 |
| Storage | ~2.2 GB internal storage |
| Extras | Rotating crown, magnetic charger, customizable bezels, 150+ sports modes, 200+ watch faces |
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