# Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3

HyperOS: The Xiaomi Watch S4 41mm is a lightweight round smartwatch with built-in GPS, activity tracking and a stainless-steel case. Its listed 32 GB storage and health-monitoring features add breadth, but the supplied battery-life specification says only 4 Hours and customer feedback reports mixed Mi Fitness App compatibility.

- [Original product page](https://bargainpostbox.co.uk/product/xiaomi-watch-s4-41mm-smartwatch)
- [View offer](https://bargainpostbox.co.uk/visit/xiaomi-watch-s4-41mm-smartwatch)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Xiaomi
- Model: Xiaomi Watch S4 41mm
- Category: Electronics > Smartwatches & Fitness Trackers > Smartwatches
- Price: 125.99 GBP
- Previous price: 149.99 GBP
- Discount: 16%
- Price checked: 2026-11-14T09:56:56.553Z
- Rating: 4.5 / 5
- Reviews: 1011

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Built-in GPS and multisport activity tracking are listed, alongside heart-rate, blood-oxygen, stress and sleep monitoring.
- The listing describes a 41mm stainless-steel case and a 32g watch, with a white leather strap.
- The manufacturer describes a one-tap overview of several health metrics and skin-temperature monitoring for cycle predictions.

## Pros

- The listed built-in GPS and activity-tracking features suit buyers seeking a watch for fitness sessions without relying solely on phone location.
- At a listed 32g, it is positioned as a lightweight option, and its round stainless-steel case and white leather strap offer a traditional watch appearance.
- The supplied feature claims include heart rate, blood oxygen, stress, sleep and skin-temperature monitoring.

## Cons

- The technical listing specifies battery life as 4 Hours, a substantial limitation if accurate and worth resolving before purchase.

## Specifications

### Identity
- Brand: Xiaomi
- Model: Xiaomi Watch S4 41mm
### Display and video
- Screen size: 1.32 Inches
- Screen technology listed: Digital
### Connectivity and controls
- Wireless connection listed: Bluetooth
### Power and battery
- Battery energy listed: 1.24 Watt Hours
- Battery life listed: 4 Hours
- Battery type: Lithium Ion
### Dimensions and installation
- Form factor: Round
- Dimensions listed: 9 x 41 x 41 millimetres
- Weight listed: 32 Grams
### Materials and protection
- Water resistance listed: Waterproof
### Computing specifications
- Storage listed: 32 GB

## Before you buy

- The battery details conflict in practice: the technical field lists 4 Hours, while customer feedback describes charging only once or twice a week. The listing also uses both 1.32 Inches and 240 x 280 display details, calls the display Digital without identifying its panel technology, and describes water resistance as both Waterproof and 5ATM. Confirm the exact variant and operating expectations. Customer feedback also reports mixed Mi Fitness App compatibility, so check compatibility with your phone and required app functions.

## In the box

- Watch (Included)
- Cable (Included)
- User manual (Included)
- Case (Check selected pack): The design text refers to the watch case, but the explicit box contents list does not list a separate case accessory.

## A good fit for

- Buyers wanting a compact, lightweight smartwatch with built-in GPS and multisport tracking.
- People interested in wrist-based health and sleep metrics, provided they treat these as monitoring features rather than medical measurements.
- Those who prefer a round stainless-steel case and a white leather strap.

## Less suited to

- Buyers who need confirmed long battery life, given the conflict between the listed 4 Hours and customer-reported charging frequency.
- Anyone who needs dependable Mi Fitness App compatibility without first checking their phone and intended features.
- Buyers requiring a confirmed display-panel type or clearly defined water-resistance conditions.

## Customer feedback

Customer feedback is generally positive about quality, appearance, features and battery life, with some customers describing charging only once or twice a week. That battery impression contrasts with the listing's 4 Hours specification, so the discrepancy matters for daily use. Connectivity feedback is mixed, including reports of Mi Fitness App compatibility limitations. These are customer perceptions and do not establish how the watch will work with a particular phone.
- Positive themes: Customer feedback praises the watch's build quality and appearance.
- Positive themes: Some customers report battery life that requires charging only once or twice a week.
- Positive themes: Customers mention the features positively, including sleep monitoring.
- Mixed feedback: Connectivity receives mixed feedback, with reports of Mi Fitness App compatibility limitations.

## Frequently asked questions

### Does the Xiaomi Watch S4 41mm have built-in GPS?
Yes. Built-in GPS is listed, along with activity and multisport tracking.
### How long does the battery last?
The technical details list 4 Hours, while customer feedback says it typically needs charging once or twice a week. These claims conflict, so confirm expected battery performance for the exact version and use.
### Is it suitable for swimming?
The listing says both Waterproof and 5ATM, but does not specify the conditions or activities covered. Check the manufacturer's guidance before exposing it to water.
### What health features are listed?
The listing names heart-rate, blood-oxygen, stress and sleep monitoring. Manufacturer feature text also describes skin-temperature tracking and cycle predictions.
### What is included in the box?
The explicit contents list names the watch, cable and user manual. A case is not confirmed as a separate included item, so check the selected listing.

## Alternative options

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- [WalkerFit Rugged Smart Watch for Men, 1.43" AMOLED 5ATM Waterproof, 2 Bands \| Bluetooth Calling, Fitness Tracker, 15-Day Battery, 178+ Sports Modes, Heart Rate, Sleep & SpO2 Monitor, For Android & iPhone](https://bargainpostbox.co.uk/visit/xiaomi-watch-s4-41mm-smartwatch)
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- [Smart Watches for Women, 1.85"HD Fitness Watch with Bluetooth Calling, Health Tracker for Sleep/Heart Rate/SpO2, 120+ Sports, 200+ Dials, IP68 Waterproof, Smart Watch for Android iOS \(Rose Pink\)](https://bargainpostbox.co.uk/visit/taopodo-rose-pink-smart-watch-185-inch-lcd-bluetooth-calling)
- [AcclaFit Smart Watch for Men Women Answer/Make Call, 1.85" Smartwatch, Fitness Watch with Heart Rate Blood Pressure Sleep Monitor, IP68 Waterproof Step Counter Compatible with Android IOS Starlight](https://bargainpostbox.co.uk/visit/acclafit-smart-watch-185-inch-square-bluetooth)
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## Add-ons

- [RuenTech Metal Watch Strap Compatible with Xiaomi Watch S4 41 mm Bracelet, 18 mm Stainless Steel Strap for Xiaomi Watch S4 41 mm Smartwatch Bracelet](https://bargainpostbox.co.uk/visit/xiaomi-watch-s4-41mm-smartwatch)

## Images

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 1](https://bargainpostbox.co.uk/i/uR_98nqdELSKQX48fgl2ATNSGvRpV02UM8mY7cXvGIsOcHjZQqz7XDLKXsW7xKQt-h5iISx2FIXJK6oLA7_WixrWOSZAgJg-wCgHjXcF07qiCYdfYtg_lY_x.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 2](https://bargainpostbox.co.uk/i/xszNLuFaC1tq-xEIrSljYIaGmrngcdB1-29UngYdRYPkQj1THxDci0VYI_XfenDmN9VlJ1dyqu-_FZmXPtNQ_IMLXRe0xsG_A8YAGzVwmRgGIqCoC3vW1i6m.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 3](https://bargainpostbox.co.uk/i/Kax50Mk5OOKMimzWPHIaKyl4LlViEkeRi8YMHxE1uTPcJt1YkSzBeLmItDPxP6uk3ls28i5ARGsPk4sAsfBWsV8l6A-DeyALLsi7tXiYdJect2aJJKm-x1mD.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 4](https://bargainpostbox.co.uk/i/Sm_f8QndsjDhfZgDWaGoJYhgPnKwvQo4PX4PDDkCeYIgGio4f2dCXXRjRKGWqM9E3p2F0ZLo8VQ0vxlye-uczkBnQVOZsY_ksNR-9wQ6N9CcV01vcqCivn4q.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 5](https://bargainpostbox.co.uk/i/HqtsY8jO6KEK5n3kO3EiJqSDO4wyW8LJFnH7P4xw5yR8CczLWOj4XHyBXwNPjt5Q-WksIbV9Fc9wykbJkxTlIuK8FDCyLNHrhhh819uikL7jcXJ0WHfllpeT.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 6](https://bargainpostbox.co.uk/i/96KeL4K8bFJ2E0nJqXpfV9SXZtrPy1e9UTXQbeIw6RM3iFzRzLdbfG8KJAbb0Gr7IB-MeSdcMmg1GEnqeXuhx5PXFOIqG7rjW8Utu-jQAW4u4Zn5RJCnt_WW.jpg)

![Xiaomi Watch S4 41mm Smartwatch, 32g, HyperOS 3 — 7](https://bargainpostbox.co.uk/i/65Z7RjWp7D1fyRLEUBvgIu_srAzvIx0IH21EzKM6hbiJWyglBgp-XC9XwmdGeLvG_tH3r0WyscENc0hhTj22Bf6BdP2Wj0NvLFb2qs3Q9OFsOK4rV8IoGt5f.jpg)