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Xiaomi Watch S4

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Xiaomi Watch S4
Display:1.43 ", 466x466 px, AMOLED
Body:aluminium, 50 WR (5 ATM)
Alerts:vibration alerts, about calls
Health:heart rate monitor, oxygen in the blood, stress level
Sports and tourism:GPS, altimeter, compass
2 microphones for noise reduction during calls. Gesture control function. Running route planner via the Xiaomi Sports Health app with synchronization with the watch.

Round smartwatches from Xiaomi can be classified in the mid-price range, although within the brand's model lineup, it is more of an advanced device. This status is confirmed by some features, such as the Bluetooth call function, which uses two microphones to ensure effective noise cancellation and good voice audibility for the interlocutor. Gesture control support and pleasant features for runners, including a route planner, are also noteworthy.

The Xiaomi Watch S4 smartwatch features a 1.43-inch color touchscreen display with a 60 Hz refresh rate and increased maximum brightness of up to 2200 nits (with a light sensor for auto-adjustments). The model operates under the proprietary HyperOS shell and supports 150 fitness modes. The sensor set includes a GPS module, compass, barometer, and altimeter, and for health monitoring, there is a heart rate monitor and pulse oximeter, sleep monitoring, and stress level tracking. The built-in lithium-polymer battery of 486 mAh should provide a good level of autonomy: without recharging, the gadget will work from 5 days (with active Always-on Display) and up to 15 days in standard usage scenarios. The aluminum case and stainless steel bezel, worthy water resistance (up to 5 ATM), and lightweight of 45 grams deserve special mention.

All specifications
Specifications Watch S4
Main
Typesmartwatch
InterfaceBluetooth v 5.3
Gadget OSHyperOS
Telephony
Calls and alertsnotifications
vibration
built-in microphone / 2 /
built-in speaker
Sports and tourism
Possible measurementsheart rate monitor
blood oxygen level
number of steps
distance traveled
calories burned
activity time
sleep tracking
stress level
women's calendar
Sports modes150
NavigationGPS module
GLONASS
Galileo
compass
altimeter (altitude)
barometer (pressure)
Display
Touch screen
Typecolour
Display typeAMOLED / 60 Hz /
Size1.43 "
Screen resolution466x466 px
PPI326 ppi
Brightness2200 nt
Watch face protectionglass
Hardware
Extra featureslight sensor
NFC / not for payments /
accelerometer
gyroscope
Power source
Device chargingmagnetic
Source of powerLi-Pol
Battery capacity486 mAh
Operating time (normal mode)15 days
Operating time (active mode)120 h
Case and strap
Materialaluminium
Bezelmetal / stainless steel /
Strapquick release
Strap Optionsrubber/silicone
fabric
Clasp optionsclassic buckle
General
Protection rating50 WR (5 ATM)
Dimensions (without strap)47.3x47.3x12 mm
Weight45 g
Official Websitemi.com
Added to E-CatalogOctober 2024
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.
Catalog Xiaomi 2025 - new arrivals, bestsellers, and the most relevant models Xiaomi.

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Xiaomi Watch S4 Smartwatch 143" AMOLED Display Bluetooth Calling Heart Rate & SpO2 Monitor Sleep & Stress Tracking 150 Fitne

1.43” AMOLED Display – Clear & Always-On: Enjoy a vivid, ultra-clear AMOLED display with smooth touch response and Always-On... moremode. Perfect for bright outdoor use and stylish everyday wear. Heart Rate & SpO2 Monitoring + Sleep Tracking: Track your heart rate, blood oxygen saturation (SpO₂), sleep stages, stress, and more—24/7 health monitoring to help you stay on top of your wellbeing. 150+ Sports Modes with Smart Detection: Supports a wide range of sports like running, cycling, swimming, yoga, and more. Features automatic workout recognition and detailed activity analysis. Bluetooth Calling + Smart Notifications: Make and receive calls directly from your wrist via Bluetooth connection. Stay updated with message previews, app alerts, calendar reminders, and weather info. Long Battery Life + 5ATM Waterproof + GPS: Enjoy up to 12 days of battery life on a single charge. 5ATM water resistance makes it swim-friendly, and built-in GPS helps you track your workouts accurately.
Amazon.co.uk
Delivery: to United Kingdom
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£127.48

Xiaomi Watch S4 Black

Official partner Xiaomi
Mi.com
Delivery: to United Kingdom
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£129.99

Xiaomi S4 Smartwatch

Elevate Your Everyday with the Xiaomi S4 Smartwatch: Seamless Style Meets Powerful PerformanceThe Xiaomi S4 smartwatch is mor... moree than just a timepiece, it´s your ultimate companion for a healthier, more connected life. Combining sleek design with cutting-edge technology, the S4 effortlessly blends into your daily routine while providing valuable insights and convenient features right on your wrist. Stay in Sync with Your Health:Prioritize your well-being with the S4´s advanced health monitoring capabilities. The wrist heart rate sensor provides continuous, accurate heart rate tracking, allowing you to optimize your workouts and monitor your cardiovascular health. Effortless Connectivity at Your Fingertips:Stay connected without missing a beat. Receive notifications for calls, messages, and social media updates directly on your wrist. Control your music playback, set alarms, and even use voice commands for ultimate convenience. Designed for Life, Built to Last:The Xiaomi S4 boasts a sleek and modern design crafted with durable materials. Its vibrant display delivers crystal-clear visuals, while the intuitive interface ensures effortless navigation. Technical Specifications:* Connectivity: Bluetooth , GPS* Sensors: Heart rate sensor, Accelerometer, Gyroscope, Barometer* Compatibility: Android and iOSThe Xiaomi S4 smartwatch is the perfect blend of style and substance, empowering you to live a healthier, more connected life.
Bikeinn
Delivery: in United Kingdom
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£146.99

Xiaomi Watch S4 Smartwatch - Black

Xiaomi Watch S4 Smartwatch - Bright Display, Custom Style, Pro-Level Tracking
Mytrendyphone.co.uk
Delivery: in United Kingdom
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£139.50

Xiaomi Watch S4 Silver

Official partner Xiaomi
Mi.com
Delivery: to United Kingdom
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£129.99
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