- The Xiaomi Watch S2 stands out for its premium stainless steel design, AMOLED display, and 5 ATM water resistance, available in two sizes: 42 mm and 46 mm.
- It offers advanced health and sports features, including body composition, temperature, sleep, and stress monitoring, more than 100 sports modes, and up to 12 days of battery life.
- The watch integrates Bluetooth, Wi-Fi, GPS, and NFC connectivity for payments and calls, with compatibility for Android and iOS, and allows the use of Alexa and third-party apps.
Xiaomi has surprised the technology market with the arrival of its new Xiaomi Watch S2., the long-awaited update of its successful S1 model. This smartwatch is not just an update, but a comprehensive proposal that combines Innovation, premium design and outstanding battery life, quickly becoming one of the most desired smart accessories for technology and healthy living enthusiasts.
The Xiaomi Watch S2 is available in two size variants, 42mm and 46mm, both with advanced features and high-quality finishes. In this in-depth review, we break down all the technical specifications, health functions, sports modes, pricing, customization options, and the experience offered by this Xiaomi smart watch, also integrating exclusive information from the main specialized sites and the brand itself.
Technical specifications of the Xiaomi Watch S2
- Available versions: 42mm and 46mm.
- Approximate launch price: It depends on the size and strap combination (from 136 euros for the 42 mm model with a silicone strap, up to 177 euros for the 46 mm model with a leather strap).
- Display: Circular AMOLED, 1,32 inches (42 mm) and 1,43 inches (46 mm), with 466 x 466 pixel resolution, offering vivid images and colors, deep blacks and clarity even in direct sunlight.
- Body materials: Stainless steel frame, screen protected with sapphire crystal for exceptional resistance to bumps and scratches.
- Battery: 305 mAh (42 mm) and 500 mAh (46 mm), autonomy of up to 7 days in the small version and up to 12 days in the large version depending on use.
- Connectivity: 2,4 GHz WiFi, Bluetooth 5.2, NFC for payments, built-in GPS, and Alexa support.
- Compatibility: Works with Android (from version 6.0) and iOS (from version 12.0).
- Waterproof: 5 ATM (waterproof up to 50 meters, suitable for swimming, but not recommended for hot showers, saunas or intense water sports).
- interchangeable straps: Compatible with universal 22mm straps, available in silicone for sport and leather for a more formal style.
The Xiaomi Watch S2 stands out for its advanced connectivity and latest-generation sensors, allowing you to monitor a wide range of health and fitness parameters. Thanks to its AMOLED panel, it offers a superior visual experience, while its robust and elegant body makes it ideal for any occasion.
Design, materials and customization
The Xiaomi Watch S2 is betting on a Classic and refined design, oriented towards both fashion and functionalityIts stainless steel case, along with the circular sapphire crystal-covered display, guarantees durability and resistance to daily use and adverse conditions.
Its strap offering is extensive, allowing you to choose from sporty styles for intense workouts or leather straps for elegant occasions, exponentially increasing the customization options. The watch feels comfortable on the wrist, thanks to its reduced thickness compared to previous generations and the lightweight materials.
- interchangeable straps: The quick-change system allows you to switch between different straps in seconds depending on the activity or environment.
- Available colors: Black and blue, plus the option to purchase universal straps for added customization.
- Shock and scratch resistance: Sapphire crystal covers the screen to protect it even in the most demanding environments, surpassing the resistance of conventional glass.
Its appearance is so versatile that you can wear it to work meetings, formal dinners, or sports sessions, always ensuring it matches the rest of your outfit.
Autonomy and wireless charging
One of the differentiating elements of the Xiaomi Watch S2 is its outstanding autonomy and fast wireless chargingThe 46mm model features a 500mAh battery that offers up to 12 days of typical use, while the 42mm variant includes a 305mAh battery and up to 7 days of standby time. This performance puts it above many of its direct competitors, allowing you to forget about the charger for days.
- Magnetic Wireless Charging: Includes a magnetic charging base, facilitating quick and convenient recharging.
- Autonomy indicators: Values may vary depending on intensive use of features such as GPS, calls, continuous monitoring, or third-party app downloads.
- Energy save mode: The operating system allows you to activate low-power modes to extend battery life in critical situations.
This level of battery life becomes a key value, especially for those who travel or train for long periods and don't want to be constantly recharging their watch.
Sports features and activity tracking
The Xiaomi Watch S2 is a reference in its segment when it comes to sports functions and comprehensive health monitoringIt's equipped with over 100 exercise modes (including running, swimming, HIIT, basketball, cycling, and outdoor sports), allowing you to accurately record and analyze your fitness performance.
- 24/7 Heart Rate Monitoring: Updated multi-channel biosensors capable of continuously monitoring heart rate, with automatic alerts if abnormal values are detected.
- Blood oxygen measurement (SpO2): Dedicated sensor for continuous monitoring of oxygen levels throughout the day and night.
- Advanced sleep monitoring: Records sleep phases (light, deep, REM), naps, and rest quality, helping you establish healthy habits.
- Body composition assessment: Bioelectrical impedance sensor capable of calculating body mass index, percentage of fat, protein, muscle mass, body moisture, salt content, basal metabolic rate, and other indicators in seconds.
- Body temperature monitoring: Sensor for measuring skin temperature, useful for alerting about possible physiological changes.
- Stress measurement and breathing exercises: Stress level tracking and breathing routine guidance for relaxation.
- Menstrual Cycle Tracking: Functionality designed for users who want to keep precise control of their cycle.
All of this data can be reviewed from the Xiaomi Health or Mi Fitness app, with detailed graphs and summaries so you can analyze your progress, compare records, and set personalized goals.
Sensors and integrated technology
- Sensors included: Heart rate (multi-channel PPG), SpO2, accelerometer, gyroscope, geomagnetic sensor, barometer, atmospheric pressure sensor, ambient light sensor, bioelectrical impedance analysis sensor, capacitive sensor, skin temperature sensor.
- Multi-band GPS: Supports Beidou, GPS, GLONASS, Galileo, QZSS for accurate outdoor route tracking.
- Built-in microphone and speaker: They allow you to answer calls directly from the watch and use voice commands.
- NFC for payments: Support for contactless payments compatible with MasterCard, Curve, and Google Pay (depending on availability in each country).
- Wireless connectivity: Bluetooth 5.2 for stable synchronization with your smartphone and 2,4 GHz WiFi for fast data transfer.
- Compatible with Alexa: Allows you to access the voice assistant and control connected smart devices.
The integration of these sensors and technologies allows the Xiaomi Watch S2 to become a control center for active and connected lifeYou can accurately record routes, receive real-time notifications, control music, install third-party apps, and access advanced health and fitness data.
Additional features and software customization
- Installing third party applications: Xiaomi's proprietary operating system allows for expanded functionality (depending on country and version).
- Answer calls and notifications: From the watch, you can answer incoming calls, read messages, and manage notifications from apps like WhatsApp, email, calendar alerts, and more.
- SOS emergency button: In the event of a critical situation, a combination of keystrokes can be used to alert a previously configured contact and facilitate location.
- Remote control of music and camera: Using the watch you can change songs, adjust the volume or trigger the phone's camera wirelessly.
- Frequent updates: Xiaomi releases firmware updates to improve performance and add features.
System customization includes watchface settings to adapt the appearance of the watch to your personal style, as well as the ability to create routines and shortcuts for your most frequent actions.
Comparison and improvements compared to the Xiaomi Watch S1
The evolution of the Watch S2 compared to its predecessor is palpable, although it essentially maintains many of the features already present in the S1. However, this new generation incorporates improvements in the following areas:
- Reduction in thickness and weight, making it more comfortable and elegant.
- Bioelectrical impedance sensor for body composition analysis, a function exclusive to this range.
- Longer lasting battery and optimization of energy consumption.
- More sports modes and new career features with advanced suggestions and metrics.
- Better integration with Alexa and optimized compatibility for the latest versions of Android and iOS.
If you own the Watch S1, upgrading to this model is only highly recommended if you value body composition measurement, increased battery life, and small design details; otherwise, the jump isn't that significant, although it does provide added value.
Prices, versions and international availability
- 42mm with silicone strap: 136 euros approximately.
- 42mm with leather strap: 163 euros.
- 46mm with silicone strap: 149 euros.
- 46mm with leather strap: 177 euros.
These prices may vary depending on the region and stock availability. The Xiaomi Watch S2 was initially released in China, but its arrival in Europe is expected shortly thereafter, and will be available at major retailers and technology stores.
Remember to always check Xiaomi's official sales channels to make sure you know when it will be available in your country and to get the best prices and guarantees.
The decision to purchase the Xiaomi Watch S2 largely depends on individual needs. If you already own the S1, upgrading to this model is only recommended if you're looking for improvements in health monitoring, battery life, and design; otherwise, the upgrade isn't as relevant for everyone.
In contrast, If you are looking for your first premium smartwatch or are coming from a lower range, the Xiaomi Watch S2 is one of the best options currently thanks to:
- Its robustness and premium design with noble materials.
- High precision in health and sports monitoring.
- Autonomy and ease of use thanks to wireless charging.
- The wide range of additional features and customization.
- The quality-price balance compared to the main market rivals.
