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Xiaomi S4 41mm smartwatch

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Features of Xiaomi S4 41mm

Product description of Xiaomi S4 41mm smartwatch

Description summary

Experience sophisticated style and smart functionality with the Xiaomi Watch S4. This 41mm smartwatch boasts a vibrant 1.32-inch AMOLED display, reaching 2200 nits for superior clarity. Crafted from aluminum alloy, its ultra-compact 9.5mm thin, 32g design ensures comfort. Personalize with interchangeable bezels and enjoy tactile control with the rotating crown. Monitor your health with advanced heart rate tracking and precise multi-constellation GPS. Powered by HyperOS 2 and Bluetooth 5.4, it offers smooth performance and clear calls. The 320mAh battery provides up to 8 days of typical use, keeping you connected and active

This device is unlocked from any phone company (factory unlocked).

Xiaomi Watch S4 41mm: Elegance and Intelligence on Your Wrist

About the Xiaomi Watch S4.

Discover a new era of wearable technology where sophisticated style meets powerful, intelligent performance. The Xiaomi Watch S4 is meticulously designed for the modern Adult, seamlessly blending into your professional and active lifestyles. It´s not just a smartwatch; it´s a statement of elegance and a comprehensive partner for your health and connectivity needs, all encased in an ultra-compact and customizable design.

Stunning Visual Clarity

Experience your digital world in breathtaking detail on the brilliant 1.32-inch AMOLED screen. With a sharp 466 × 466 pixel resolution, every watch face, notification, and metric is displayed with vivid color and crispness. The screen’s ability to reach an astounding 2200 nits of peak brightness ensures perfect legibility and clarity, whether you´re in a dimly lit room or under the bright midday sun.

Ultra-Compact and Customizable Design

The Xiaomi Watch S4 redefines comfort and personalization. Its beautifully crafted aluminum alloy chassis features a sleek 41 mm case that is only 9.5 mm thick, creating a slim and elegant profile on your wrist. Despite its robust construction, it maintains a featherweight of just 32 g, ensuring you´ll barely notice it´s there. Express your personal style by swapping the innovative interchangeable bezel, and navigate the interface with satisfying tactile feedback using the precision-engineered rotating crown.

Advanced Health & Fitness Companion

Take proactive control of your well-being with state-of-the-art monitoring. The watch is equipped with new generation optical sensors that deliver precise and continuous Wrist heart rate tracking, giving you valuable insights into your cardiovascular health throughout the day and during workouts. For outdoor enthusiasts and athletes, the integrated multi-constellation GPS, with full Glonass support, provides exceptionally accurate tracking of your routes, distance, and pace, allowing you to map your adventures and analyze your performance with confidence.

Seamless Performance and Enduring Power

At the heart of the S4 is the incredibly smooth and efficient HyperOS 2, which provides a fast, fluid, and intuitive user experience. Stay effortlessly connected with the latest Bluetooth 5.4 technology, enabling stable, crystal-clear calls directly from your wrist so you never miss an important conversation. Powering this experience is a robust 320 mAh battery, engineered to keep up with your demanding schedule. Enjoy the freedom of up to eight days of typical use on a single charge, freeing you from daily battery anxiety and keeping you focused on what matters most.

Technical Specifications:

* Case Diameter: 41 mm
* Thickness: 9.5 mm
* Weight: 32 g
* Chassis Material: Aluminum Alloy
* Display Type: 1.32″ AMOLED
* Resolution: 466 × 466 pixels
* Peak Brightness: 2200 nits
* Operating System: HyperOS 2
* Battery Capacity: 320 mAh
* Battery Life: Up to 8 days of typical use
* Connectivity: Bluetooth 5.4
* Positioning: Multi-constellation GPS, Glonass

Technical specifications of Xiaomi S4 41mm

  • Accelerometer

    Yes

  • Heart Rate

    Yes

  • Dimensions

    41.2 X 41.2 X 9.5 Mm

  • Weight

    32 G (No strap)

  • Resolution

    466 X 466, 326 Ppi

  • Water Resistance Rating

    5 Atm

  • GNSS Support

    Yes | Dual Band L1+L5 Chip with Multi-Constellation Support

  • GPS

    Yes

  • Color

    Silver

  • Age

    Adult

  • Features

    Glonass

  • Features

    Wrist heart rate

  • Product Aspect

    New

Features of Xiaomi S4 41mm

Color Silver

Color

Silver

Age Adult

Age

Adult

Features Glonass

Features

Glonass

Wrist heart rate

Wrist heart rate

Product Aspect New

Product Aspect

New

Key differentiators

Continuous heart rate monitoring and SpO2 sensor for comprehensive health tracking.

Extensive fitness tracking with over 150 sports modes and dual GNSS support.

Long-lasting battery life of up to 8 days of typical use.

Vibrant 1.32-inch AMOLED display with a sharp 466 x 466 resolution.

Water resistance rated at 5 ATM, suitable for various activities.

Technology in Xiaomi S4 41mm smartwatch

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Xiaomi S4 41mm smartwatch

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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

What is the battery life of the Xiaomi S4 41mm Smartwatch?

Answer of Generated by AI and verified

The Xiaomi S4 41mm Smartwatch offers a typical battery life of up to 8 days on a single charge. The rechargeable lithium battery takes approximately 2 hours to fully charge.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

What are the key materials used for the Xiaomi S4 smartwatch?

Answer of Generated by AI and verified

The Xiaomi S4 41mm Smartwatch features a case made from aluminum alloy and a bezel constructed from steel, providing a balance of durability and style.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Is the Xiaomi S4 smartwatch suitable for both men and women?

Answer of Generated by AI and verified

Yes, the Xiaomi S4 41mm Smartwatch is designed as a unisex device for adults, making it suitable for a wide range of users.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Is the Xiaomi S4 41mm Smartwatch worth buying for fitness users?

Answer of Generated by AI and verified

The Xiaomi S4 41mm Smartwatch offers advanced fitness tracking with 150 sports modes and continuous heart rate monitoring, making it a valuable tool for fitness users.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

What type of display does the Xiaomi S4 41mm have?

Answer of Generated by AI and verified

This smartwatch is equipped with a 1.32-inch AMOLED display, which provides a resolution of 466 x 466 pixels and a density of 326 PPI for clear and vibrant visuals.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Does the Xiaomi S4 have a heart rate monitor?

Answer of Generated by AI and verified

Yes, the Xiaomi S4 includes a heart rate monitor that provides continuous measurement, allowing you to track your heart rate throughout the day and during workouts.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

What operating system does the Xiaomi S4 smartwatch use?

Answer of Generated by AI and verified

The Xiaomi S4 41mm Smartwatch runs on the HyperOS 2 operating system.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Does the Xiaomi S4 smartwatch have an SpO2 sensor?

Answer of Generated by AI and verified

Yes, the Xiaomi S4 is equipped with an SpO2 sensor to monitor blood oxygen saturation levels.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Can I use the Xiaomi S4 smartwatch for swimming?

Answer of Generated by AI and verified

Yes, the Xiaomi S4 has a water resistance rating of 5 ATM, which makes it suitable for use during activities like swimming in a pool or in the ocean. It is not intended for scuba diving or high-pressure water sports.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Is the Xiaomi S4 suitable for tracking different sports?

Answer of Generated by AI and verified

Absolutely. The watch comes with 150 sports modes, allowing you to track a wide variety of activities. It also features a built-in accelerometer and dual GNSS support for accurate tracking of your workouts.

* Generated by AI based on customer and product data

2026-11-02

Generated by AI and verified

Xiaomi S4 41mm smartwatch

Can I make and receive calls on the Xiaomi S4 smartwatch?

Answer of Generated by AI and verified

Yes, the Xiaomi S4 41mm Smartwatch supports call handling, allowing you to manage calls directly from your wrist when connected to your smartphone.

* Generated by AI based on customer and product data

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Frequently bought together
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Use cases

Comprehensive Fitness Tracking 90% Fit

With over 150 sports modes, this watch is a versatile partner for tracking a wide variety of workouts. It provides detailed metrics, making it a reliable upgrade for users committed to monitoring their diverse fitness activities.

150+ sports modes,Dual GNSS support,Continuous heart rate monitoring

Daily Health Monitoring 90% Fit

This smartwatch offers continuous heart rate tracking and an SpO2 sensor, providing a solid foundation for monitoring key health metrics throughout the day. It's a great all-rounder for users who want to stay informed about their well-being.

Continuous heart rate monitoring,SpO2 sensor,8-day battery life

Outdoor Activity and Navigation 80% Fit

Featuring built-in GPS and dual GNSS support, this watch provides reliable tracking for outdoor activities like running, hiking, or cycling. The 5 ATM water resistance adds durability for adventures in various weather conditions.

GPS,Dual GNSS support,5 ATM water resistance

Multi-Day Use and Travel 85% Fit

Thanks to its 8-day battery life, this watch is well-suited for users who travel or prefer not to charge their device every night. It provides uninterrupted tracking and smart features for extended periods, offering balanced performance for a busy lifestyle.

8-day battery life,AMOLED display,Call handling and music controls

Best for

Ideal for Regular Activity Tracking

This watch is a solid upgrade for those who regularly track their activities. With over 150 sports modes, continuous heart rate monitoring, and an SpO2 sensor, it provides comprehensive data to support a consistent fitness routine. The 8-day battery life ensures it's always ready for your next workout without daily charging.

Based on: sports_modes_count: 150, Heart rate monitor: yes, Spo2 sensor: yes, Battery life: 8 days

A Great All-Rounder for Active Lifestyles

This is a versatile choice for those who balance daily life with weekend activities. It features GPS for accurate route tracking on hikes or runs, 5 ATM water resistance for swimming, and a durable aluminum alloy case. The bright AMOLED display makes it easy to see your stats on the go.

Based on: gps: yes, Water resistance: 5_atm, Case material: aluminum alloy, Display type: amoled

A Reliable Upgrade for Everyday Health

For those moving to a more capable smartwatch, this model offers a balanced set of advanced features. It provides continuous heart rate and SpO2 monitoring for a deeper look into your health, call handling directly from your wrist, and a crisp AMOLED display, making it a significant step up in functionality and convenience.

Based on: heart_rate_monitor: yes, Spo2 sensor: yes, Call handling: calls, Display type: amoled

Benefits

FunctionalMonitor Your Health Around the Clock

Take proactive control of your well-being with state-of-the-art monitoring. The watch is equipped with optical sensors that deliver continuous heart rate tracking, giving you valuable insights into your cardiovascular health throughout the day and during workouts.

FunctionalPrecisely Track Your Outdoor Adventures

For outdoor users and athletes, the integrated multi-constellation GPS provides exceptionally accurate tracking of your routes, distance, and pace. This allows you to map your adventures and analyze your performance with confidence.

FunctionalView Your Stats on a Bright AMOLED Display

Experience your digital world in breathtaking detail on the brilliant 1.32-inch AMOLED screen. With a sharp 466 x 466 pixel resolution, every watch face, notification, and metric is displayed with vivid color and crispness, ensuring perfect legibility even under the bright midday sun.

FunctionalEnjoy a Lightweight and Slim Design

The Xiaomi Watch S4 redefines comfort with its beautifully crafted aluminum alloy chassis. Its slim 9.5 mm profile and featherweight 32g design ensure you'll barely notice it's there, making it perfect for all-day wear from the office to the gym.

Ideal buyer profiles

The Fitness Fanatic

This user is dedicated to their fitness journey and requires detailed, accurate data to track progress and optimize performance. They engage in a wide variety of sports and activities and need a device that can keep up with their diverse training regimen.

With over 150 sports modes, this smartwatch offers extensive tracking for nearly any activity. The inclusion of a continuous heart rate monitor, SpO2 sensor, and dual GNSS with GPS provides the detailed and accurate health and location data a fitness fanatic needs. Its 5 ATM water resistance also makes it suitable for swimming and water-based activities.

The Casual User

This individual wants a smartwatch for everyday convenience, general health monitoring, and staying connected without being overwhelmed by complex features. They value a long battery life, ease of use, and core functionalities like notifications and music control.

The Xiaomi S4 offers an 8-day battery life, minimizing the need for frequent charging. It covers all the essentials for a casual user, including call handling and music controls directly from the wrist. Features like the heart rate monitor and accelerometer provide valuable insights into daily activity and overall wellness without being overly complicated.

The Fashion-Forward User

This buyer views their smartwatch as both a tech gadget and a style accessory. They prioritize a sleek design, premium materials, and a high-quality display that complements their personal style for any occasion, from the gym to a night out.

This smartwatch features a sophisticated design with a durable aluminum alloy case and a polished steel bezel, offering a premium look and feel. The vibrant AMOLED display with a high resolution of 466 x 466 pixels ensures watch faces and notifications are sharp and clear, making it a stylish accessory that doesn't compromise on screen quality.

Competitive features

When choosing a smartwatch, it's important to weigh features like battery performance, health tracking capabilities, and overall design. We've analyzed the Xiaomi S4 41mm Smartwatch against several competitors, including models from Fitbit, Huawei, Amazfit, and Doogee, to help you understand where it stands out and what alternatives might better suit your needs.

Where it excels

The Xiaomi S4 offers a comprehensive suite of health and fitness tracking features, including a heart rate monitor with continuous measurement, an SpO2 sensor, and an accelerometer. With over 150 sports modes and dual GNSS support for accurate location tracking, it's a versatile companion for a wide range of activities. Its vibrant AMOLED display provides excellent clarity, and the 8-day battery life ensures you stay connected longer between charges. The watch supports call handling and music controls, integrating seamlessly with your daily routine.

Consider alternatives if...

If you require a built-in digital compass for navigation, you may want to consider other options, as this feature is not included in the Xiaomi S4.

Verdict

The Xiaomi S4 41mm Smartwatch is a strong contender in the market, offering a robust set of features for health, fitness, and connectivity. Its combination of a high-resolution AMOLED display, extensive sports modes, and an 8-day battery life makes it a well-rounded device for daily wear and athletic pursuits. While it lacks a digital compass, its dual GNSS, continuous heart rate monitoring, and SpO2 sensor provide comprehensive tracking for most users. It's an excellent choice for those seeking a stylish and feature-rich smartwatch for an active lifestyle.

Specs comparison

Battery Life8 days5 days
GpsYesYes
Battery Typerechargeable lithiumrechargeable lithium
Screen Size Inches1.32 1.2 - 1.81.97 inches
Sports Modes Count150150
Spo2 SensorYesYes
Digital CompassNoYes
Heart Rate Measurement Modecontinuouscontinuous
Resolution466 X 466, 326 Ppi410x502 pixels
AccelerometerYesYes
Bezel MaterialsteelAluminum Alloy
Case Materialaluminum alloyAluminum Alloy
Gnss Supportdual GNSSGPS, Glonass, Galileo, BDS, QZSS
Call HandlingcallsYes

Specs vs competitors

Battery Life8 days16 days14 days14 days14 days25 days
Water Resistance5 Atm--5 Atm--
Charging Time22 hours---2 hours
GpsYesYesYesYesYesYes
Battery Typerechargeable lithiumLithium Ion440 Mah (Rated Value)Integrated Batteryrechargeable lithiumrechargeable lithium
Screen Size Inches1.32 1.2 - 1.81.32 1.2 - 1.81.39 inches1.97 1.2 - 1.81.43 inches1.5 inches
Sports Modes Count150130-140150170
Spo2 SensorYesYesYesYesYesYes
Digital CompassNo-No--Yes
Heart Rate Measurement Modecontinuouscontinuouscontinuous-continuouscontinuous
Resolution466 X 466, 326 Ppi360x360454x454 p390 X 450, 302 Ppi466x466 px480x480
AccelerometerYesYesYesYesYesYes
Bezel Materialsteel---Metal-
Case Materialaluminum alloyDual-Color PlasticFiber-Reinforced PolymerSilicone, Glass, Aluminum, PolymerPA+GFPolymer case, aluminum alloy frame
Music ControlsYesYesYesYes--
Gnss Supportdual GNSS5 Satellite Positioning SystemsCircularly-Polarized Gps Antenna Dual-Band Positioning 6 Satellite Positioning Systems-GPS, BDS, GLONASS, Galileo, QZSS-
Call HandlingcallsYesYesYesBluetooth calling-
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