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Xiaomi Watch S4 41mm Specs Prices and Performance Review

Release Date
2025, June 26
Camera
NO
Battery
320mAh
Screen
1.32"
Storage
No card slot
Operating System
HyperOS 2

Introduction

The Xiaomi Watch S4 41mm is a sophisticated smartwatch that blends cutting-edge technology with a sleek design. Designed for tech enthusiasts, fitness buffs, and those who appreciate modern aesthetics, this watch offers a range of features without the clutter of unnecessary components.

Design and Build

The Xiaomi Watch S4 boasts a minimalist yet luxurious design, featuring a stainless steel bezel and frame that ensures durability and a premium feel. Measuring 41.2 x 41.2 x 9.5 mm, it is compact and lightweight at just 32 grams, making it comfortable to wear throughout the day and during workouts.

Display

The 1.32-inch AMOLED display is a standout feature with its impressive brightness levels, including 1500 nits for typical usage and peaking at 2200 nits for outdoor readability. With a resolution of 466 x 466 pixels (~320 ppi density), the display offers vibrant colors and sharp visuals. It also includes scratch and drop-resistant glass, adding to its durability.

Performance

Powered by the HyperOS 2 operating system, the watch provides a smooth and intuitive user experience. Although specific details about the processor and RAM are not provided, the operating system is optimized to ensure seamless multitasking and efficient operation.

Connectivity

While the Xiaomi Watch S4 does not support cellular connectivity, it comes equipped with Bluetooth 5.4, facilitating speedy and efficient pairing with other devices. For precise navigation, it supports various positioning systems, including GPS, GLONASS, GALILEO, BDS, and QZSS. Additionally, NFC support is available, subject to regional availability, allowing for convenient contactless payments.

Battery Life

The watch is powered by a 320 mAh Li-Po battery, which is designed to last through extended periods of use. Despite the absence of details regarding specific battery life in days or hours, Li-Po batteries are known for their reliability and endurance.

Health and Fitness Tracking

With a plethora of sensors, the Xiaomi Watch S4 is an ideal companion for health and fitness enthusiasts. It features an accelerometer, gyro, compass, barometer, heart rate monitor, SpO2 sensor, and a skin temperature thermometer. These sensors offer comprehensive tracking for various activities and health metrics, helping users maintain a healthy lifestyle.

Audio and Speaker

The device includes a loudspeaker, but lacks a 3.5mm headphone jack, which is a common trait among modern smartwatches aimed at promoting wireless audio peripherals.

Miscellaneous Features

In terms of aesthetics, the watch is available in a variety of colors including Black, Green, White, and Gold. This allows users to choose a device that best suits their personal style. The watch is identified by the model number M2502W1 and is priced at approximately 120 EUR, making it an affordable option without skimping on essential features.

Conclusion

The Xiaomi Watch S4 41mm is a compelling device that meets the demands of modern users, offering a harmonious blend of style, functionality, and affordability. With its impressive display, robust build, and extensive health tracking capabilities, it stands out as a versatile smartwatch for users looking to enhance their daily tech experience without breaking the bank.

Main Features of Xiaomi Watch S4 41mm

  • Robust Build: Stainless steel bezel and frame for enhanced durability.
  • Brilliant Display: 1.32-inch AMOLED with up to 2200 nits peak brightness.
  • Scratch/Drop-proof: Equipped with protective glass to resist scratches and drops.
  • Advanced Operating System: Runs on HyperOS 2.
  • Comprehensive Positioning Systems: Supports GPS, GLONASS, GALILEO, BDS, and QZSS.
  • Bluetooth 5.4: Enables advanced connectivity options with A2DP and LE.
  • Health Monitoring: Includes sensors for heart rate, SpO2, and skin temperature.
  • Compact and Lightweight: Weighs only 32g with dimensions of 41.2 x 41.2 x 9.5 mm.
  • Sleek Design Options: Available in Black, Green, White, and Gold.
  • Affordable Pricing: Approximate cost of 120 EUR.

Key Disadvantages of Xiaomi Watch S4 41mm

  • No cellular connectivity, which limits phone-independent functionality.
  • No SIM card slot available.
  • Lacks WLAN functionality, restricting Wi-Fi connectivity.
  • No 3.5mm headphone jack for audio output.
  • No ability to expand storage as there is no card slot.
  • Absence of built-in radio functionality.
  • No USB port for direct data transfer or charging.
Network
Technology No cellular connectivity
2G bands N/A
3G bands N/A
4G bands N/A
GPRS No
EDGE No
Launch
Announced 2025, June 26
Status Available. Released 2025, June 26
Body
Dimensions 41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in)
Weight 32 g (1.13 oz)
Build Stainless steel bezel and frame
SIM No
Display
Type AMOLED, 1500 nits (HBM), 2200 nits (peak)
Size 1.32 inches
Resolution 466 x 466 pixels (~320 ppi density)
Protection Scratch/drop-proof glass
Platform
OS HyperOS 2
Memory
Card slot No
Camera
Sound
Loudspeaker Yes
3.5mm jack No
Comms
WLAN No
Bluetooth 5.4, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS, QZSS
NFC Yes (market/region dependent)
Radio No
USB No
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature)
Battery
Type Li-Po 320 mAh
Misc
Colors Black, Green, White, Gold
Models M2502W1
Price About 120 EUR

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