Description
The Xiaomi Watch S4 is designed for users seeking a stylish wearable with advanced functionality at an affordable price point, generally retailing around £109-£130. The device is notable for its interchangeable bezel design, allowing users to switch styles easily. The 1.43-inch AMOLED display provides high visibility in sunlight with up to 2200 nits of brightness. It is well-suited for fitness enthusiasts, offering 150+ sports modes, precise dual-band GPS, and automatic workout detection.
While it offers robust fitness tracking and smart features like Bluetooth calling and NFC, it does not support a third-party app store, which may limit advanced customization for some users. The watch operates seamlessly within the Xiaomi ecosystem, particularly with HyperOS, and is compatible with both Android and iOS devices.
Specifications
| Network | GSM / HSPA / LTE 2G bands GSM 850 / 900 / 1800 / 1900 3G bands HSDPA 4G bands LTE |
| Speed | HSPA, LTE |
| GPRS | No |
| EDGE | No |
| Build | Aluminum alloy frame, stainless steel bezel |
| SIM | eSIM (market/region dependent) |
| Display Type | AMOLED, 1500 nits (HBM), 2200 nits (peak) |
| Size | 1.43 inches |
| Resolution | 466 x 466 pixels (~326 ppi density) |
| Protection | Scratch/drop-proof glass |
| Operating System | HyperOS 2 |
| Memory Card slot | No |
| Camera | No |
| Loudspeaker | Yes |
| 3.5mm jack | No |
| WLAN | No |
| Bluetooth | 5.3, A2DP, LE |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS |
| NFC | Yes (market/region dependent) |
| Radio | No |
| USB | No |
| Features | Accelerometer, gyro, compass, barometer, heart rate, SpO2 Waterproof (5ATM) |
| Battery Type | Li-Po 486 mAh |
| Dimensions | 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in) |
| Weight | 44.5 g (1.59 oz) |
Package Includes
1 x Xiaomi Watch S4 (Black)
1 x USB-A cable with a magnetic connector for charging
1 x Quick start guide
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