Xiaomi S4, 3.63 cm (1.43"), AMOLED, Touchscreen, 44.5 g

Dazzling display
Outstanding clarity
Featuring a 1.43-inch AMOLED large display that delivers clear and smooth visuals, as well as an astounding HBM brightness of up to 1500nits.

326
PPI

60Hz*
Refresh rate

1500nits*
HBM brightness*

2200nits*
Peak brightness*

Moisture-resistant touch control
New algorithm prevents accidental operations caused by water droplets.

Up to 15 days of battery life
A long battery life of 15 days* ensures more than 2 weeks of use, so there's no need to bring your watch charger for short-term trips.

5 minutes of fast charging delivers 2 days of usage
Charge your watch while showering or brushing your teeth.

Rotating crown
New interactive experience
An upgraded rotating crown delivers a refined tactile experience. Rotate for quick access to widgets and message previews for improved reading efficiency.

Sleek design with exceptional craftsmanship
Exquisite aluminium alloy frame with a stainless steel-like high-gloss texture produced through a PVD process.

Simple and effective lug design
Classic design with minute markers


Interchangeable accessories
Trendy and fully customisable
Xiaomi Watch S4 draws inspiration from traditional watches and offers a variety of iconic, trendy interchangeable bezels crafted from quality materials showcasing distinct, creative styles.

Dual-Tone Ceramic (Blue-gray)
The two-tone blue-gray ceramic bezel showcases a dual GMT zone design with an elegant and chic style.

Pine Green
The stainless-steel engraved bezel has clear markings and a dark and understated lustre.
The pine green leather strap emanates quiet sophistication and a bold, professional presence.

Midnight Carbon
Exceptional craftsmanship with a carbon bezel made of forged carbon mixed with copper, showcasing unique patterns.
Includes an exclusive compass on the watch face, allowing you to check your orientation anytime.

Festive Orange
Featuring a stainless-steel wood-grain laser-engraved watch face with subtle light and shadow for a cosy vibe.
Exclusive stress watch face allows you to monitor your emotional state throughout the day.

Liquid Silver
Exudes an artsy feel showcased by a unique liquid flow effect. Also featuring a skin-friendly fluororubber strap with simple yet detailed ripple patterns.

Health and fitness

Health at a glance
One tap for better wellness

One-tap health insights
Monitors heart rate, stress, blood oxygen, and sleep. A micro-physical examination report is generated in around 60 seconds.

Breathing exercise
Includes new breathing exercises, including relax, concentrate, take a nap, and sleep soundly.

High-precision sensing module
24/7 health protection
The combination of a high-precision heart rate monitoring module and self-developed heart rate algorithm improves the accuracy of heart rate monitoring on the watch to 98%*.

All-day blood oxygen saturation monitoring*
All-day stress monitoring*
All-day advanced sleep monitoring*

150+ sports modes
Ideal for all sorts of activities

Personal running coach on your wrist
Perfect for your training

L1+L5 dual-frequency GNSS of five satellite positioning systems
The independent dual-frequency GNSS chip offers precise positioning via five major satellite systems to quickly and accurately record outdoor activities.

On-wrist running courses
From beginners, fat loss and weight loss, to improving cardiopulmonary function and endurance, there are professional courses and scientific training to help you continue to advance.

Running form recognition
Automatically identify key running posture metrics like vertical ratio, vertical amplitude, and ground contact time to offer professional tips for better workouts.

Professional skiing mode
Professional skiing mode records your distance, time, average speed of each glide and turn, and more in the Mi Fitness app.

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*.

Health data at your fingertips
With Xiaomi's independently developed algorithm and Mi Fitness app, Xiaomi Watch S4 can monitor your health with greater accuracy. Now supporting Health Connect and popular workout apps like Strava and Suunto, it brings you even more flexibility and convenience.

A smart, connected lifestyle

Xiaomi Smart Hub*

Seamless interconnectivity
Remote photo-taking, find my phone, earphone settings*, and more. It can also control Xiaomi Home devices*, making smart wearables and home life more intelligently interconnected.

New quick gestures
All it takes is a snap of your fingers
Customisable gestures control the watch's native functions, including rejecting and ignoring calls or notifications, taking photos remotely, opening the weather app, and more.

Convenient NFC payment
For contactless and cashless payments, simply tap your Xiaomi Watch S4 against a payment terminal*. Now supporting Mastercard® and Visa®.