Xiaomi Watch S4 41mm Fluororubber Strap Smartwatch Black

Discover the Xiaomi Watch S4, a smartwatch designed with a high‑definition AMOLED display and comprehensive fitness tracking capabilities. It offers durable water resistance, integrated navigation support, and long battery performance for consistent daily use.

Brilliant display
Stunning at a glance

Featuring a 1.32-inch AMOLED large display for crisp, fluid visuals, with an impressive HBM brightness of up to 1500nits.

Compact watch
Slim design

The new 41mm diameter is compact, offering enhanced comfort and stylish versatility.

Premium materials
Elegance in every detail

Crafted from premium stainless steel with a sleek, minimalist finish for lasting durability and timeless appeal.

Multiple styles available
Suit every taste

Available in two designs with multiple combinations, you can define your own style and give your personality a signature colour.

Sunset gold edition
Understated luxury

The shimmering edition features a lab-grown diamond set on the crown, and a Milanese strap - every detail crafted to reflect refined elegance.

Leather strap
Intellectual elegance

Crafted from premium leather for exceptional quality, the strap is sleek, stylish and offers a gentle fit on your wrist.

Fluororubber strap
Active energy

Made from fluororubber with a distinctive braided texture, it is soft, smooth and offers enhanced comfort, ideal for wearing during workouts.

Versatile style
Endless expression

Express your style with a choice of over 200 watch faces. Whether elegant or unique, they all create a stunning look on your wrist.

Cute animal watch faces
Always by your side

Every time you turn on the screen, your pet will be there, adding a touch of cuteness and playful charm to your daily routine.

Pet Park

Exchange the calories you burn each day for food for your pet. Feed it, interact with it and watch it grow.

All-new upgrades
Enhanced health monitoring

Featuring a high-precision heart rate module enhanced by proprietary algorithm, ensuring accuracy and stability during exercise.

Real-time heart rate display in swimming mode

The watch is upgraded to display your heart rate in real time while exercising. The post-workout report now includes a heart rate curve, aerobic/anaerobic training effects, load/recovery time and perceived exertion data.

Bluetooth heart rate broadcasting

Sync your heart rate via Bluetooth to bike computers - let real-time biometrics power your performance.

Advanced sleep monitoring
Get a good night's sleep

The watch accurately tracks and analyses your sleep. We've also partnered with international sleep experts to provide tailored recommendations that can help you further improve your sleep quality.

Sleep improvement plan

Utilizing sleep data, it covers sleep schedule optimization, nap management, daytime activity, and pre-bed relaxation to enhance sleep quality.

Skin temperature monitoring
Meticulous care

Equipped with high-precision contact-based temperature sensing, it can detect changes as small as 0.1°C, allowing you to constantly monitor your skin temperature and track trends over time.

Skin temperature measurement

Supports single measurements to help identify abnormal increases in skin temperature, such as a fever.

Overheat alerts

Enable all-day temperature monitoring and set alert thresholds. If your temperature exceeds the set limit, you will receive an alert.

Enhanced female cycle prediction

By combining other vital signs with menstrual history data, it delivers comprehensive cycle predictions, including period start days, ovulation days and fertile windows.

One-tap health insights
Easy health monitoring

With the built-in Checkup app, a single tap provides quick health insights, including heart rate, blood oxygen, sleep and stress levels.

Professional skiing mode
Fall detection for safety

Now supports fall detection while skiing. If no response is detected within 60 seconds, the system will automatically call your emergency contact.

5-system L1+L5 GNSS
Independent workout tracking

Dual-frequency L1 + L5 GNSS supports five satellite systems for precise positioning and offers enhanced signal interference resistance, allowing you to track your outdoor activities with greater accuracy.

Emergency SOS

Press the lower button three times to automatically call your emergency contact.

Emergency siren

When walking alone at night in poorly lit areas, tap to activate a loud siren to scare off suspicious individuals and attract attention.

Share location

Send a live location sharing request to your emergency contact list, allowing real-time tracking for added peace of mind.

Health data at your fingertips

With Xiaomi's independently developed algorithm and the Mi Fitness app, Xiaomi Watch S4 41mm can monitor your health with greater accuracy. Now compatible with Health Connect and popular fitness apps like Suunto, it offers greater flexibility and convenience for your workouts.

Sports vlog
Record your energy and highlights

Remotely control your phone to start video recording during exercise, with real-time data such as heart rate and calories shown on screen.

Convenient NFC payment

For contactless and cashless payments, simply tap your Xiaomi Watch S4 41mm against a payment terminal. Now supports Mastercard and Visa.