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Xiaomi Watch S4 smartwatch

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Features of Xiaomi Watch S4

Product description of Xiaomi Watch S4 smartwatch

Description summary

Introducing the XIAOMI Watch S4: Elevate your style and wellness with this sophisticated smartwatch. Featuring a revolutionary interchangeable bezel design and hundreds of watch faces, it´s the ultimate personalized accessory. Monitor your health 24/7 with advanced heart rate and SpO2 tracking, detailed sleep analysis, and stress management tools. Unleash your athletic potential with over 150 sports modes and ultra-precise dual-band GNSS. Experience a stunning AMOLED display, seamless Xiaomi HyperOS, and long-lasting battery life, all packed into a 5ATM water-resistant, stylish design

XIAOMI Watch S4: Redefine Your Style and Wellness

Discover the next evolution in wearable technology with the XIAOMI Watch S4, a masterpiece of design and intelligence crafted for the modern adult. This premium smartwatch seamlessly merges sophisticated aesthetics with powerful health and fitness tracking, creating an indispensable companion for your daily life. The Watch S4 is more than a timekeeper; it´s a statement of style and a commitment to your well-being, engineered to adapt to every facet of your world.

A New Look for Every Moment
Experience unprecedented customization with the revolutionary interchangeable bezel design. Effortlessly swap your watch´s look in seconds to match your outfit, mood, or occasion. From a classic, polished stainless steel for business meetings to a vibrant, textured bezel for your weekend adventures, the XIAOMI Watch S4 ensures your style is always uniquely yours. This innovative feature, combined with hundreds of dynamic and AI-enhanced watch faces, offers limitless possibilities for personal expression.

Your 24/7 Health Companion
Take control of your health with a suite of advanced monitoring capabilities. The Watch S4 is equipped with an upgraded 12-channel PPG sensor for exceptionally accurate 'wrist heart rate' tracking, providing continuous monitoring and alerts for high or low heart rates. Stay informed with all-day Blood Oxygen (SpO2) saturation monitoring, offering a deeper insight into your body´s respiratory health. Meticulously track your sleep stages—deep, light, REM, and even naps—with our new advanced algorithm that provides a detailed sleep score and actionable advice to improve your rest. Integrated stress monitoring and guided breathing exercises help you find moments of calm in a busy day.

Unleash Your Athletic Potential
Whether you´re a seasoned athlete or just beginning your fitness journey, the XIAOMI Watch S4 is your ultimate training partner. Choose from over 150 dedicated sports modes, including running, cycling, swimming, and HIIT. The built-in dual-band L1+L5 GNSS chip taps into all five major satellite systems (GPS, GLONASS, Galileo, QZSS, and BeiDou) for incredibly fast and precise location tracking, ensuring your outdoor routes and distances are recorded with pinpoint accuracy. With a 5ATM water resistance rating, you can confidently take your watch from the track to the pool.

Stunning Visuals, Seamless Experience
Your world comes to life on the brilliant 1.47-inch AMOLED display. With a high-resolution screen, ultra-smooth refresh rate, and peak brightness of 600 nits, every detail is crisp and vibrant, even in direct sunlight. The always-on display functionality keeps essential information just a glance away. Powered by the next-generation Xiaomi HyperOS, the Watch S4 delivers a fluid, intuitive user experience with seamless connectivity. Answer calls directly from your wrist via Bluetooth, make contactless payments with NFC, and control your smart home devices with ease. All this power is backed by an extraordinary battery life, offering up to 15 days of typical use on a single charge.

Technical Specifications:

* Resolution: 480x480 pixels
* Dimensions: 47.6mm x 47.6mm x 11.8mm
* Sensors: Advanced 'wrist heart rate' sensor (with blood oxygen sensor), accelerometer, gyroscope, ambient light sensor, compass, barometer
* Positioning: Dual-band L1+L5; GPS, GLONASS, Galileo, QZSS, BeiDou
* Water Resistance: 5ATM
* Connectivity: Bluetooth 5.3, NFC
* Battery: Up to 15 days typical usage; Magnetic charging
* System Compatibility: Android 8.0 or iOS 12.0 and above
* Operating System: Xiaomi HyperOS
* Target User: Adult

Technical specifications of Xiaomi Watch S4

  • Dimensions

    41.2 X 41.2 X 9.5 Mm

  • Weight

    32 g (without strap)

  • Resolution

    466 X 466, 326 Ppi

  • Accelerometer

    Yes

  • Heart Rate

    Yes

  • Water Resistance Rating

    5 Atm

  • Color

    Silver

  • Features

    Glonass

  • Features

    Wrist heart rate

  • Features

    Music Storage

Features of Xiaomi Watch S4

Color Silver

Color

Silver

Features Glonass

Features

Glonass

Wrist heart rate

Wrist heart rate

Music Storage

Music Storage

Key differentiators

5 ATM water resistance for use during swimming and water activities

Advanced health monitoring with continuous heart rate and SpO2 sensor

Bright 1.47-inch AMOLED touchscreen display

Extended 15-day battery life for uninterrupted use

Over 150 sports modes with built-in GPS for comprehensive activity tracking

Technology in Xiaomi Watch S4 smartwatch

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Xiaomi Watch S4 smartwatch

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Include AI Generated questions and answers

2026-07-30

Generated by AI and verified

Xiaomi Watch S4 smartwatch

What are the main health monitoring features of the Xiaomi Watch S4?

Answer of Generated by AI and verified

The Xiaomi Watch S4 offers a comprehensive suite of health monitoring tools. It includes advanced, continuous heart rate tracking with an upgraded 12-channel PPG sensor, all-day SpO2 (blood oxygen) monitoring, detailed sleep analysis that tracks different sleep stages, and stress management features.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Xiaomi Watch S4 smartwatch

What is the battery life of the Xiaomi Watch S4?

Answer of Generated by AI and verified

The full charging time is approximately 2 hours.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Xiaomi Watch S4 smartwatch

Is the Xiaomi Watch S4 water-resistant?

Answer of Generated by AI and verified

This makes it suitable for use during activities like swimming in a pool or in the ocean, but it is not intended for high-speed water sports or deep diving.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Xiaomi Watch S4 smartwatch

How many sports modes does the Xiaomi Watch S4 support?

Answer of Generated by AI and verified

The Xiaomi Watch S4 is equipped with over 150 sports modes, allowing you to track a wide variety of athletic activities. It also features dual-band GNSS for precise location and route tracking during outdoor workouts.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Xiaomi Watch S4 smartwatch

What devices is the Xiaomi Watch S4 compatible with?

Answer of Generated by AI and verified

The Xiaomi Watch S4 is compatible with smartphones running Android 8.0 or later, and with Apple devices running iOS 12.0 or later. It uses Bluetooth 5.3 and NFC for connectivity.

* Generated by AI based on customer and product data

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Use cases

Comprehensive Health Monitoring 95% Fit

This watch is a solid choice for users focused on their overall well-being. It offers continuous heart rate monitoring, SpO2 tracking, and detailed sleep stage analysis, providing a holistic view of your health.

Continuous heart rate monitor,SpO2 sensor,Sleep stages tracking,Stress monitoring

Multi-Sport Fitness Tracking 90% Fit

With over 150 sports modes and built-in GPS, this watch is a versatile companion for tracking a wide variety of workouts, from running and cycling to swimming. The 5ATM water resistance ensures it can handle water-based activities.

150+ sports modes,Built-in GPS,5ATM water resistance,Accelerometer

Daily Lifestyle Management 85% Fit

As a reliable upgrade for daily use, this watch excels with its long 15-day battery life, NFC for contactless payments, and broad compatibility with both Android and iOS. The brilliant AMOLED display and stainless steel bezel offer a balanced blend of function and style.

15-day battery life,NFC connectivity,Android & iOS compatibility,1.47-inch AMOLED display

Outdoor Activity and Navigation 80% Fit

For hikers, runners, and cyclists, the built-in GPS provides accurate tracking of routes and distances. The addition of a digital compass offers a solid navigation aid for outdoor adventures.

Built-in GPS,Digital compass,15-day battery life

Best for

Best for Data-Driven Health Tracking

With continuous heart rate monitoring, an SpO2 sensor, and advanced sleep and stress tracking, this watch provides the comprehensive data needed to make informed health decisions.

Based on product features

A Smart Choice for Versatile Fitness Tracking

Featuring over 150 sports modes and built-in GPS, this watch offers a reliable and versatile solution for tracking diverse workouts and activities.

Based on product features

Ideal for Proactive Health Management

This watch empowers an active lifestyle by providing key health insights and alerts, offering peace of mind through consistent monitoring.

Based on product features

Benefits

FunctionalGain Deeper Insights into Your Well-being

Keep track of key health metrics around the clock. This watch provides continuous heart rate monitoring, SpO2 sensor readings, stress monitoring, and sleep stages tracking, offering a holistic view of your health directly from your wrist.

FunctionalTrack a Wide Variety of Workouts

Whether you're running, swimming, or trying a new sport, this watch is equipped to track your performance. With 150 different sports modes and a 5ATM water resistance rating, you have the flexibility to monitor a vast range of physical activities.

FunctionalView Your Stats on a Vibrant Screen

Interact with your watch and view your data with exceptional clarity. The device features a brilliant 1.47-inch AMOLED color display, which is also a touchscreen for intuitive navigation and easy access to all its features.

Ideal buyer profiles

The Data-Driven Health Optimizer

This individual is focused on leveraging technology to gain deep insights into their health and wellness. They meticulously track metrics like heart rate, SpO2 levels, sleep patterns, and stress to make informed lifestyle adjustments.

The Xiaomi Watch S4 is an excellent match, offering continuous heart rate monitoring, a SpO2 sensor, stress monitoring, and detailed sleep stage tracking. The brilliant 1.47-inch AMOLED display makes it easy to view these metrics, while the 15-day battery life ensures consistent tracking without daily charging interruptions.

The Multi-Sport Athlete

This user engages in a wide variety of physical activities and wants a single device to track them all accurately. They value versatility, durability, and precise performance data like distance and route from their workouts.

With support for over 150 sports modes, this watch can track nearly any activity. The built-in GPS provides accurate route and distance data for outdoor sports, and the 5ATM water resistance rating makes it suitable for swimming. The stainless steel bezel adds a layer of durability for an active lifestyle.

The Connected Professional

This person needs a smartwatch that seamlessly integrates into their busy life, keeping them connected without constantly reaching for their phone. They prioritize efficient notifications, convenient features like mobile payments, and a stylish design that fits a professional environment.

This watch excels with its seamless smartphone integration for both Android and iOS, delivering notifications directly to the wrist. The inclusion of NFC enables convenient contactless transactions, while the impressive 15-day battery life means one less device to charge every night. Its silver color and stainless steel bezel offer a polished look suitable for any setting.

Competitive features

When choosing a smartwatch, it's essential to compare features across different models to find the perfect fit for your lifestyle. Here, we analyze how the Xiaomi Watch S4 stacks up against other popular options like the Samsung Galaxy Watch 7, Huawei Fit 4, Kospet Tank M4, and Fitbit Versa 4. This comparison focuses on key attributes to help you make an informed decision.

Where it excels

The Xiaomi Watch S4 stands out with its emphasis on personalization, featuring an interchangeable bezel and a wide selection of watch faces to match your style. | It offers comprehensive health and fitness tracking with over 150 sports modes, advanced heart rate and SpO2 monitoring, and detailed sleep analysis. | Equipped with dual-band GNSS, the Watch S4 is designed for precise location and activity tracking, a key feature for outdoor users. | The device features a vibrant AMOLED display and is built to last with 5ATM water resistance, making it suitable for a variety of activities, including swimming.

Consider alternatives if...

The provided data does not specify key technical details like battery life in days, the presence of a touchscreen, or an accelerometer for the Xiaomi Watch S4 or its competitors. Buyers who prioritize these specific, quantifiable metrics may need to seek further information before making a decision.

Verdict

The Xiaomi Watch S4 is a strong contender for users who value a blend of sophisticated style, extensive personalization, and robust health and fitness features. Its advanced tracking capabilities, including over 150 sports modes and dual-band GNSS, make it a versatile companion for both daily wellness management and dedicated athletic training. While detailed specifications like battery life are not available for a direct comparison, its feature set positions it as a well-rounded smartwatch focused on user experience and comprehensive monitoring.

Specs comparison

Battery Life15 days12 days480 hours
Water Resistance5 Atm5 Atm5 Atm
Gpstruetruetrue
Touchscreentruetruetrue
Battery Typerechargeable lithiumrechargeable lithiumIntegrated Lithium-Ion
Screen Size Inches1.5 inches-2.0 inches
Sports Modes Count150120150
Heart Rate Measurement Modecontinuouscontinuouscontinuous
Sleep Stages Trackingtrue-true
Accelerometertruetrue-
Screen Resolution466 X 466, 326 Ppi390 px390 x 450
Bezel Materialstainless steelmetallic-

Specs vs competitors

Battery Life15 days12 days10 days
Water Resistance5 Atm5 Atm5ATM & IP68
Gpstruetruefalse
Touchscreentruetruetrue
Battery Typerechargeable lithiumIntegrated Batteryrechargeable lithium
Screen Size Inches1.5 inches1.8 inches1.9 inches
Battery Life Days15 hours12 hours12 hours
Sports Modes Count15097120
Spo2 Sensortruetruetrue
Stress Monitoringtruetruetrue
Heart Rate Measurement Modecontinuouscontinuouscontinuous
Sleep Stages Trackingtrue-true
Accelerometertruetrue-
Screen Resolution466 X 466, 326 Ppi408x480320x386
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