The Xiaomi Watch S4 has a 1.32-inch AMOLED (466 x 466 pixels, 320 ppi) display. It supports Bluetooth, NFC and GPS. It features Li-Po 486 mAh battery, Charging port: 2-Pin magnetic charging dock, Typical usage time: 15 days at 9.5mm device thickness and weight 32g, running on HyperOS 2.
Xiaomi Watch S4 Specification (41mm) |
| Release |
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| Release Status | Available. Released 2025, June 26 |
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| Performance |
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| External Storage | No |
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| OS | HyperOS 2 |
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| Battery | Li-Po 486 mAh battery, Charging port: 2-Pin magnetic charging dock, Typical usage time: 15 days |
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| Screen |
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| Display size | 1.32 inches
466 x 466 pixels (~320 ppi density) |
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| Display type | AMOLED, 1500 nits (HBM), 2200 nits (peak) |
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| Features | Scratch/drop-proof glass |
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| Body |
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| Dimension | 41.2 x 41.2 x 9.5 mm |
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| Weight | 32 g (1.13 oz) |
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| Body Type | Aluminum alloy frame, stainless steel bezel Waterproof (5ATM), Classic rotating crown for intuitive interaction |
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| Colors | Black, Green, White, Gold |
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| Connectivity |
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| SIM | No |
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| Wifi | No |
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| Bluetooth | 5.4, A2DP, LE |
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| NFC | Yes (market/region dependent) |
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| USB | No |
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| Sensors |
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| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
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| GPS | GPS, GLONASS, GALILEO, BDS, QZSS |
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| Radio | No |
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| Features | - Strap :
Black: fluororubber strap, Silver: fluororubber strap, Rainbow: fluororubber strap+nylon strap
- Bluetooth calling: Supported
- Upgraded interchangeable bezel design
- Health & fitness mode
- High-precision sensing module 24/7 health protection
- 150+ sports modes |
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| Audio |
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| Loud Speaker | Yes |
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| Sound Jack | No |
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| Radio | No |
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