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Xiaomi Watch S4 41mm

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Xiaomi Watch S4 41mm
Display:1.32 ", 466x466 px, AMOLED
Body:aluminium, 50 WR (5 ATM)
Alerts:sound alerts, vibration alerts, about calls
Health:heart rate monitor, oxygen in the blood, stress level
Sports and tourism:swimming mode, GPS, altimeter, compass
All specifications
Specifications Watch S4 41mm
Main
Typesmartwatch
InterfaceBluetooth v 5.4
Gadget OSHyperOS
Telephony
Calls and alertsnotifications
sound signal
vibration
built-in microphone / 2 /
built-in speaker
Sports and tourism
Possible measurementsheart rate monitor
blood oxygen level
body temperature
number of steps
distance traveled
movement speed
calories burned
activity time
sleep tracking
stress level
women's calendar
Sports modes150
Swimming mode
NavigationGPS module
Dual GPS
GLONASS
Galileo
compass
altimeter (altitude)
barometer (pressure)
Display
Touch screen
Typecolour
Display typeAMOLED / 60 Hz /
Size1.32 "
Screen resolution466x466 px
PPI352 ppi
Brightness1500 nt
Light sensor
Watch face protectionglass
Hardware
Extra featuresNFC
contactless payment / MasterCard /
accelerometer
gyroscope
Power source
Device chargingmagnetic
Source of powerLi-Pol
Battery capacity320 mAh
Operating time (normal mode)4 days
Operating time (active mode)72 h
Case and strap
Materialaluminium
Bezelmetal / stainless steel /
Strapquick release
Strap Optionsleather
rubber/silicone
milanese bracelet
Clasp optionsclassic buckle
Wrist strapsilicone, leather: 120-190, Milanese bracelet: 130-190 mm
General
Protection rating50 WR (5 ATM)
Dimensions (without strap)41.2x41.2x9.5 mm
Weight32 g / without strap /
Official Websitemi.com
Added to E-CatalogSeptember 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Xiaomi Watch S4 Smartwatch

About the Xiaomi Watch S4.A 41 mm case and only 9.5 mm thick integrates a 1.32´´ AMOLED display (466 × 466 px) capable of rea... moreching 2200 nits, along with new-generation optical sensors and a 320 mAh battery with up to eight days of typical use.Everything is managed by HyperOS 2, with Bluetooth 5.4 connectivity for calls and multi-constellation GPS, maintaining a featherlight weight of 32 g.Ultra-compact and customizable design.The aluminum alloy chassis is combined with an interchangeable bezel and a rotating crown
Bikeinn
Delivery: in United Kingdom
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£118.99

XIAOMI Watch S4 41mm Smartwatch Ultra-lightweight 32g body Menstrual cycle prediction 150 sports modes Safety guardian featu

Design:Stainless steel body, multifaceted-cut crown, minimalist lugs, inspired by classic wristwatch aesthetics Upgraded Men... morestrual Cycle Prediction: Equipped with 0.1°C high-precision temperature sensor for 24/7 skin temperature monitoring, leveraging temperature fluctuation patterns to predict menstrual cycles One-tap Health Check: Heart rate, blood oxygen, stress, and sleep health assessed in one tap — quickly understand your health status Safety Guardian Features:Triple-click crown button, automatically calls emergency contacts and shares precise location Xiaomi HyperOS 3: Focus Notifications, Prioritized alerts from system apps and Mi Home
Amazon.co.uk
Delivery: to United Kingdom
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£119.99

Xiaomi Watch S4 41mm Fluororubber Strap(Black)

Official partner Xiaomi
Mi.com
Delivery: to United Kingdom
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£119.99

Xiaomi Watch S4 41mm Fluororubber Strap(Mint Green)

Official partner Xiaomi
Mi.com
Delivery: to United Kingdom
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£119.99

Xiaomi S4 41mm Smartwatch

About the Xiaomi Watch S4 41 mm.Compact and lightweight, with a steel bezel and a 1.32 AMOLED screen that reaches 2.200 nits,... morethis watch adapts to small wrists without sacrificing high-end features.It weighs just 32 g, is 5 ATM water-resistant, and thanks to its 320 mAh battery and HyperOS 2, offers up to eight days of typical use.Design designed for slender wrists.The 41.2 mm case and 9.5 mm thickness combine with a Mint Green fluoroelastomer strap, hypoallergenic and soft, which maintains its tone despite sweat.The 2.5D curved glass and polished edge provide an elegant look while facilitating cleaning.Bright and always visible screen.The AMOLED matrix offers 466 × 466 px (≈320 ppi), 60 Hz refresh rate, and peak brightness of 2.200 nits, guaranteeing full legibility under direct sunlight.The Always-On mode is managed dynamically to minimize consumption.One week of battery life.Its battery lasts up to 8 days in mixed use (24-hour monitoring, notifications, and occasional GPS) or 20 continuous hours with active GPS.The two-pin magnetic base recharges 100% in 75 min.Advanced health and sports.Multichannel sensors: PPG for frequency and SpO₂, accelerometer, gyroscope, compass, barometer, and skin thermometer.150+ sports modes and dual GNSS (GPS, GLONASS, Galileo, BDS, QZSS) for precise metrics.Irregular rhythm alerts and stress assessment with guided breathing.Connectivity and smart functions.Bluetooth 5.4 allows hands-free calls and music control.
Bikeinn
Delivery: in United Kingdom
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£124.00
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Video reviews

Stylish Accessory

The 41 mm version of the Xiaomi Watch S4 was originally designed as a sophisticated and stylish accessory primarily aimed at a female audience. The device looks elegant and neat: the thin 9.5 mm case is connected to the straps through metal fastenings, and the compact 1.32-inch screen makes the watch visually light and almost unnoticeable when worn for extended periods. Besides a wide choice of colors — from classic to bright and delicate — the manufacturer offers three types of straps: a practical silicone strap for sports, a formal leather strap, and a refined Milanese bracelet. The latter is used in the premium Sunset Gold version, adorned with a small lab-grown diamond on the rotating crown. However, it's worth noting that this modification is not available in all countries and stores.

In practical terms, the model also delivers: the protective screen glass is resistant to scratches and abrasions, and its 5 ATM water resistance rating allows you to use the watch during rain, swimming, or hand washing with ease.

Assistant During Workouts and Emergencies

As for functionality, the watch does not strive to impress with innovations but offers everything necessary for monitoring health, physical activity, and everyday comfort. The device displays incoming notifications and calls, and also allows responding to them. Contactless payment is supported, though NFC functionality depends on the region. The battery life lasts up to 4 days in standard mode or about 3 days with active usage and the Always-on Display feature enabled.

For sports activities, more than 150 training modes are provided, and five satellite navigation systems ensure high accuracy in outdoor activity tracking. The watch measures heart rate, blood oxygen level, body temperature, sleep quality, and stress level. Based on this data, the device helps maintain a female calendar. Among the safety features is a loud siren to deter attackers and triple pressing a button to make an emergency call to a chosen contact. There's also an option to share your location in critical situations. When skiing, the watch can detect falls: if the user does not respond within 60 seconds, the device automatically initiates a call to a contact person.