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Xiaomi Watch S4 features:
Display: 1.43-inch AMOLED, 466 × 466 pixels, 60Hz, 1500 nits HBM brightness
Battery: 486mAh, up to 15 days typical usage, 5-min fast charge for 2 days
Satellite Positioning: GPS, Galileo, Glonass, BeiDou, QZSS, dual-frequency GNSS
Water Resistance: 5ATM
Connectivity: Bluetooth 5.3, NFC, Xiaomi Smart Hub, wireless calling
Operating System: Xiaomi HyperOS 2
Compatibility: Android 8.0+ / iOS 14.0+
Charging: 2-pin magnetic dock
Dimensions: 47.3 × 47.3 × 12.0 mm (excluding strap)
Weight: 44.5g (without strap)
Ksh 15,499
Ksh 15,999
1
A premium smartwatch with a 1.43" AMOLED display, long battery life, 150+ sports modes, and comprehensive health tracking, coupled with a stylish, interchangeable bezel design.
The Xiaomi Watch S4 has a 1.43-inch AMOLED display with 466 × 466 resolution, delivering crisp visuals and vibrant colors. It offers an HBM brightness of 1500 nits and a peak brightness of 2200 nits. The 60Hz refresh rate ensures smooth interaction, and moisture-resistant touch control prevents accidental inputs from water.
Featuring an aluminum alloy frame with PVD-treated stainless steel-like gloss, the watch is sleek and durable. It includes a classic rotating crown for easy navigation and supports interchangeable bezel and strap options, including Silver, Black, Rainbow, Dual-Tone Ceramic, Pine Green, Midnight Carbon, Festive Orange, and Liquid Silver.
With up to 15 days of typical usage, the Xiaomi Watch S4 provides long-lasting performance. A fast 5-minute charge delivers 2 days of use, making it convenient for short trips and daily wear.
The watch offers one-tap health insights, including heart rate, blood oxygen, stress, and sleep monitoring. It supports 150+ sports modes, dual-frequency GNSS for precise positioning, running form recognition, professional skiing mode with fall detection, and on-wrist guided training courses.
Seamless interconnectivity is provided via Xiaomi Smart Hub, Bluetooth 5.3, NFC, and wireless calling. The watch supports remote photography, smart home control, and gesture-based commands. It is compatible with Android 8.0+ and iOS 14.0+ devices.
The Xiaomi Watch S4 has a 5ATM water resistance rating, suitable for swimming and shallow water activities. Note that water resistance may deteriorate over time, and it is not suitable for hot showers, saunas, or deep-water diving.
| Model | Xiaomi Watch S4 |
|---|---|
| Display | 1.43" AMOLED, 466 × 466, 326 PPI, 60Hz |
| Brightness | 1500 nits HBM, 2200 nits peak |
| Battery | 486mAh, up to 15 days typical usage, 5-min fast charge for 2 days |
| Frame | Aluminum alloy |
| Strap Options | Fluororubber, Nylon; Adjustable 135–210mm |
| Sensors | Heart rate with blood oxygen, accelerometer, gyroscope, ambient light, compass, barometer, Hall sensor |
| Satellite Positioning | GPS, Galileo, Glonass, BeiDou, QZSS, L1+L5 dual-frequency GNSS |
| Water Resistance | 5ATM |
| Microphone/Speaker | 2 microphones, speaker |
| Wireless Connectivity | Bluetooth 5.3, NFC, Xiaomi Smart Hub |
| Operating System | Xiaomi HyperOS 2 |
| Compatibility | Android 8.0+ / iOS 14.0+ |
| Charging | 2-pin magnetic dock |
| Dimensions | 47.3 × 47.3 × 12.0 mm (excluding strap) |
| Weight | 44.5g (without strap) |
How long does the battery last?
Up to 15 days of typical usage, with 5 minutes of fast charging providing 2 days of use.
Is it water-resistant?
Yes, it has a 5ATM rating suitable for swimming and shallow water activities.
Which health metrics are tracked?
Heart rate, blood oxygen, stress, sleep, and one-tap health insights via Mi Fitness app.
Can I make calls on this watch?
Bluetooth calling is supported, but voice calls via third-party apps are not currently available.
Does it support NFC?
Yes, NFC is supported, though availability may vary by region.