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Latest Xiaomi Watch S4 41 mm on sale for an awesome price from just 137,9 €! Compact elegant smartwatches with up to 8 days of battery life and NFC payments

26. September 2025 4 min read 0 comments

The Xiaomi brand is expanding its smartwatch lineup to the global market, and the newest compact Xiaomi Watch S4 (41 mm) model, after its debut in China, is finally reaching European customers.

The watches stand out with a luxury design, advanced health-tracking features, and a very decent battery life of up to 8 days with light usage.

Immediately after the launch, available at a very attractive price

The latest Xiaomi Watch S4 (41 mm) models go on sale with local retailers, with the best price available right on the Czech-Slovak e-shop Smarty. The advantage is express delivery, as the stock is kept locally, plus a 2-year warranty.

XiaomiPlanet deal

Xiaomi Watch S4 41 mm Global Version

SK warehouse
Xiaomi Watch S4 41 mm Globálna Verzia
SK warehouse
142,09 €You save 4,19 €
137,90 €
Without a coupon
Are you buying on Smarty.sk for the first time? See the guide!
Updated 25. 9. 2025 on 09:30
TIPExpress delivery from a Slovak warehouse within 1 to 3 business days.

This product will be delivered to you express from a local Slovak warehouse. Delivery usually takes 1-3 business days and is handled by a courier. The price is final.

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Are you buying on Smarty.sk for the first time?

Manual coming soon.

Premium craftsmanship and a quality AMOLED display

The watches feature a stylish, minimalist look that works for everyday wear as well as formal occasions. There are several strap versions available—from sporty fluoroelastomer to leather, up to an elegant Milanese bracelet. The standout is a 1.32-inch AMOLED display with a resolution of 466 x 466 pixels, reaching up to 1500 nits, ensuring great readability even in direct sunlight.

The watch case is made of quality stainless steel, and the watch itself weighs just 32 grams without the strap. With an 5 ATM certification, they handle swimming or showering as well (but not sauna or diving).

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Health tracking and accurate measurements

Xiaomi Watch S4 offers a wide range of options for monitoring your health status. A new heart-rate measurement module can track your heart frequency more accurately even during physical exertion. Sleep monitoring is also included, with a recommended 21-day plan to improve it, plus a skin temperature tracking feature for more accurate female cycle predictions.

Support for platforms like Suunto or Health Connect lets you sync your data with other apps, giving you a more detailed overview of your performance. Thanks to support for multiple satellite systems (GPS, Galileo, Glonass, BeiDou and QZSS), location is accurate even in more demanding terrain.

Sports modes, HyperOS and other features

You won’t miss out on more than 150 sports modes, including swimming, skiing, hiking, cycling, and running. A fun extra is the so-called sports vlog—an option to control your smartphone camera remotely directly from your watch. The HyperOS 3 operating system is optimized for fast performance and easy control, and also offers customizable widgets and a rotating crown.

In case of emergency, you can also use the SOS button for quick help-calling. Xiaomi Watch S4 also support Bluetooth calls, NFC payments (in some regions) with VISA and Mastercard support, voice control, a built-in speaker and microphone. There are also sensors like an accelerometer, gyroscope, barometer, electronic compass, and an ambient light sensor.

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Battery life up to 8 days

Power is handled by a 320 mAh battery, delivering up to 8 days of light usage, 4 days for typical use, and 3 days with intensive use. Charging is done via a dual-pin magnetic dock included in the package.

Detailed parameter table for Xiaomi Watch S4 (41 mm)

Below you’ll find a clear parameter table in the EasyTable style for WordPress:

Xiaomi Watch S4 41 mm
Dimensions41.2 x 41.2 x 9.5 mm
Weight32 g (without strap)
Frame materialStainless steel
StrapsFluoroelastomer (black/mint) / Leather (white) / Milanese (gold)
Adjustable strap length120-190 mm (130-190 mm for Milanese)
Display1.32" AMOLED / 466 x 466 px / 352 PPI / 60 Hz / 1500 nits
Battery capacity320 mAh
Battery lifeUp to 8 days (light usage)
OSXiaomi HyperOS 3
Bluetooth5.4 + calls
GNSSGPS / Galileo / Glonass / BeiDou / QZSS
SensorsHeart rate + SpO2 / Temperature / Accelerometer / Gyroscope / Barometer / Compass / Light
Water resistance5 ATM (swimming yes / no sauna or diving)
Speaker / microphoneYes / Yes (1 microphone)
NFCYes (depends on the region)
Charging2-pin magnetic dock
CompatibilityAndroid 8.0+ / iOS 14.0+
In the boxWatches / Charging dock / Manual with warranty

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