Xiaomi Watch S4
Smartwatch with a classic design, rotating crown, gesture control and health and sports features that adapts to your routine with efficiency and style.
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Offers
Buy now and return by January 15, 2026.
Stunning screen, exceptional clarity
Equipped with a 1.43-inch AMOLED screen, it delivers sharp, fluid images, with an impressive HBM brightness of up to 1500 nits and a refresh rate of 60Hz.
Equipped with a 1.43-inch AMOLED screen, it delivers sharp, fluid images, with an impressive HBM brightness of up to 1500 nits and a refresh rate of 60Hz.
Up to 15 days of battery life
A long battery life of up to 15 days guarantees more than two weeks of use, eliminating the need to take the charger on short trips. A quick 5-minute top-up provides up to two full days of battery life.
A long battery life of up to 15 days guarantees more than two weeks of use, eliminating the need to take the charger on short trips. A quick 5-minute top-up provides up to two full days of battery life.
Rotating crown, a new interactive experience
An improved rotating crown offers a refined tactile experience. Simply turn it to quickly access widgets and preview messages, improving reading efficiency.
An improved rotating crown offers a refined tactile experience. Simply turn it to quickly access widgets and preview messages, improving reading efficiency.
Modern and fully customizable
The Xiaomi Watch S4 is inspired by traditional watches and offers a variety of iconic and modern interchangeable bezels so that the watch adapts to the wearer's style at all times.
The Xiaomi Watch S4 is inspired by traditional watches and offers a variety of iconic and modern interchangeable bezels so that the watch adapts to the wearer's style at all times.
All the health information, in one touch
With just one touch, you can receive a micro-physical examination report, which is generated in around 60 seconds, with information on heart rate, stress, blood oxygen and sleep quality. It also includes new breathing exercises, such as relaxation, concentration, napping and deep sleep.
With just one touch, you can receive a micro-physical examination report, which is generated in around 60 seconds, with information on heart rate, stress, blood oxygen and sleep quality. It also includes new breathing exercises, such as relaxation, concentration, napping and deep sleep.
Precise location, perfect for training
The independent dual-frequency GNSS chip offers precise positioning via five main satellite systems to quickly and accurately record outdoor activities.
The independent dual-frequency GNSS chip offers precise positioning via five main satellite systems to quickly and accurately record outdoor activities.
Health data at your fingertips
With Xiaomi's independently developed algorithm and the Mi Fitness app, the Xiaomi Watch S4 monitors health more accurately. Now, by supporting Health Connect and popular training apps such as Strava and Suunto, it offers even more flexibility and convenience.
With Xiaomi's independently developed algorithm and the Mi Fitness app, the Xiaomi Watch S4 monitors health more accurately. Now, by supporting Health Connect and popular training apps such as Strava and Suunto, it offers even more flexibility and convenience.
Hands-free calling via Bluetooth®
Simply answer or reject incoming calls with a tap of the watch when it's inconvenient to take out your phone.
Simply answer or reject incoming calls with a tap of the watch when it's inconvenient to take out your phone.
Gesture control
The watch can be operated with one hand using wrist movements. Turning and shaking the wrist can be linked to personalized functions, including call rejection, NFC payment, viewing weather information and taking photos on the smartphone via Bluetooth® (when connected to a Xiaomi smartphone).
The watch can be operated with one hand using wrist movements. Turning and shaking the wrist can be linked to personalized functions, including call rejection, NFC payment, viewing weather information and taking photos on the smartphone via Bluetooth® (when connected to a Xiaomi smartphone).
Running routes directly on the wrist
Whatever the goal, whether it's fat loss, weight loss or even improving cardiopulmonary function and endurance, the Watch S4 includes professional workouts to help you achieve it.
Whatever the goal, whether it's fat loss, weight loss or even improving cardiopulmonary function and endurance, the Watch S4 includes professional workouts to help you achieve it.
Running posture recognition
Automatically identifies key running posture metrics such as vertical ratio, vertical amplitude and ground contact time, offering professional tips to improve training.
Automatically identifies key running posture metrics such as vertical ratio, vertical amplitude and ground contact time, offering professional tips to improve training.
Professional ski mode
The professional ski mode records the distance, time, average speed of each descent and turn, among other things, in the Mi Fitness app. The Watch S4 also supports fall detection while skiing. If no response is detected within 60 seconds, the system will automatically call the emergency contact.
The professional ski mode records the distance, time, average speed of each descent and turn, among other things, in the Mi Fitness app. The Watch S4 also supports fall detection while skiing. If no response is detected within 60 seconds, the system will automatically call the emergency contact.
Sensors and Monitoring
Blood Oxygen Sensor
Yes
Heart Rate Sensor
Yes
Sleep Monitoring
Yes
Health and Sports Data
+150 sports modes
Accelerometer
Yes
Gyroscope
Yes
Barometer
Yes
Monitoring stress levels
Yes
Compass
Yes
Ambient light sensor
Yes
Screen
Type
AMOLED
Dimension
1,43''
Shine
Up to 1500 nits
Refresh rate
60Hz
Connectivity
Bluetooth
5.3
NFC
Supported
Calls via Bluetooth
Supported
Several
Additional information
Compatibility with the Mi Fitness App; 5ATM water resistance (up to 50 meters)
Content
Included in the box
XIAOMI Watch S4 Smartwatch, top-up Cable and User Manual
Navigation
GPS
Dual Band GNSS (L1 + L5): GPS, Galileo; Glonass; Beidou; QZSS
Design
Material
Aluminum alloy frame
Fluoroelastomer strapDimensions
47.3 x 47.3 x 12 mm
Weight (gr)
44 gr (without bracelet)
Compatibility
Compatible with
Android 8.0 or higher. iOs 14.0 or higher
Technology and Systems
Operating System
Xiaomi HyperOS 2
Audio
Microphone
Yes (2 microphones with noise reduction)
Loudspeaker
Yes
Energy
Battery
486 mAh
Autonomy
Up to 15 days
quick top-up
Yes (5 min = 2 days)
magnetic top-up
Yes
Note
Extended return period until January 15
All purchases made between 31/10/2025 and 24/12/2025 can be returned/exchanged until 15/01/2026 (inclusive). This extension of the return/exchange period is valid for all equipment sold at MEO, provided that the packaging has not been opened. Large products such as smart TVs and household appliances that require scheduled delivery or installation at home are excluded.
All purchases made between 31/10/2025 and 24/12/2025 can be returned/exchanged until 15/01/2026 (inclusive). This extension of the return/exchange period is valid for all equipment sold at MEO, provided that the packaging has not been opened. Large products such as smart TVs and household appliances that require scheduled delivery or installation at home are excluded.
Advantages of buying from the MEO Online Shop
Buy in cash or in installments, add insurance, exchange MEOS or use a voucher with your order. Free delivery in 1 to 3 working days (mainland) or up to 7 days (islands). Prices include VAT. MEOS exchange is not compatible with vouchers or installment payments.
Buy in cash or in installments, add insurance, exchange MEOS or use a voucher with your order. Free delivery in 1 to 3 working days (mainland) or up to 7 days (islands). Prices include VAT. MEOS exchange is not compatible with vouchers or installment payments.
How to buy installments in 2 steps:
Once you have completed your purchase in the online store, you will receive the order summary.
Once the order has been approved by MEO, we will send you an email and SMS to pay the down payment and the administrative cost. The remaining installments will be paid in the respective monthly MEO service invoices.
For business customers (except sole proprietors), after approval by MEO, you will be asked to send documentation. Buying in installments is quick and easy.
The monthly fee shown may be adjusted slightly on the invoice, with no impact on the total amount payable at the end of the contract.
Once you have completed your purchase in the online store, you will receive the order summary.
Once the order has been approved by MEO, we will send you an email and SMS to pay the down payment and the administrative cost. The remaining installments will be paid in the respective monthly MEO service invoices.
For business customers (except sole proprietors), after approval by MEO, you will be asked to send documentation. Buying in installments is quick and easy.
The monthly fee shown may be adjusted slightly on the invoice, with no impact on the total amount payable at the end of the contract.