Discover the Xiaomi Watch S4, a smartwatch designed with a high‑definition AMOLED display and comprehensive fitness tracking capabilities. It offers durable water resistance, integrated navigation support, and long battery performance for consistent daily use. Brilliant display Stunning at a glance Featuring a 1.32-inch AMOLED large display for crisp, fluid visuals, with an impressive HBM brightness of up to 1500nits. Compact watch Slim design The new 41mm diameter is compact, offering enhanced comfort and stylish versatility. Premium materials Elegance in every detail Crafted from premium stainless steel with a sleek, minimalist finish for lasting durability and timeless appeal. Multiple styles available Suit every taste Available in two designs with multiple combinations, you can define your own style and give your personality a signature colour. Sunset gold edition Understated luxury The shimmering edition features a lab-grown diamond set on the crown, and a Milanese strap - every detail crafted to reflect refined elegance. Leather strap Intellectual elegance Crafted from premium leather for exceptional quality, the strap is sleek, stylish and offers a gentle fit on your wrist. Fluororubber strap Active energy Made from fluororubber with a distinctive braided texture, it is soft, smooth and offers enhanced comfort, ideal for wearing during workouts. Versatile style Endless expression Express your style with a choice of over 200 watch faces. Whether elegant or unique, they all create a stunning look on your wrist. Cute animal watch faces Always by your side Every time you turn on the screen, your pet will be there, adding a touch of cuteness and playful charm to your daily routine. Pet Park Exchange the calories you burn each day for food for your pet. Feed it, interact with it and watch it grow. All-new upgrades Enhanced health monitoring Featuring a high-precision heart rate module enhanced by proprietary algorithm, ensuring accuracy and stability during exercise. Real-time heart rate display in swimming mode The watch is upgraded to display your heart rate in real time while exercising. The post-workout report now includes a heart rate curve, aerobic/anaerobic training effects, load/recovery time and perceived exertion data. Bluetooth heart rate broadcasting Sync your heart rate via Bluetooth to bike computers - let real-time biometrics power your performance. Advanced sleep monitoring Get a good night's sleep The watch accurately tracks and analyses your sleep. We've also partnered with international sleep experts to provide tailored recommendations that can help you further improve your sleep quality. Sleep improvement plan Utilizing sleep data, it covers sleep schedule optimization, nap management, daytime activity, and pre-bed relaxation to enhance sleep quality. Skin temperature monitoring Meticulous care Equipped with high-precision contact-based temperature sensing, it can detect changes as small as 0.1°C, allowing you to constantly monitor your skin temperature and track trends over time. Skin temperature measurement Supports single measurements to help identify abnormal increases in skin temperature, such as a fever. Overheat alerts Enable all-day temperature monitoring and set alert thresholds. If your temperature exceeds the set limit, you will receive an alert. Enhanced female cycle prediction By combining other vital signs with menstrual history data, it delivers comprehensive cycle predictions, including period start days, ovulation days and fertile windows. One-tap health insights Easy health monitoring With the built-in Checkup app, a single tap provides quick health insights, including heart rate, blood oxygen, sleep and stress levels. Professional skiing mode Fall detection for safety Now supports fall detection while skiing. If no response is detected within 60 seconds, the system will automatically call your emergency contact. 5-system L1+L5 GNSS Independent workout tracking Dual-frequency L1 + L5 GNSS supports five satellite systems for precise positioning and offers enhanced signal interference resistance, allowing you to track your outdoor activities with greater accuracy. Emergency SOS Press the lower button three times to automatically call your emergency contact. Emergency siren When walking alone at night in poorly lit areas, tap to activate a loud siren to scare off suspicious individuals and attract attention. Share location Send a live location sharing request to your emergency contact list, allowing real-time tracking for added peace of mind. Health data at your fingertips With Xiaomi's independently developed algorithm and the Mi Fitness app, Xiaomi Watch S4 41mm can monitor your health with greater accuracy. Now compatible with Health Connect and popular fitness apps like Suunto, it offers greater flexibility and convenience for your workouts. Sports vlog Record your energy and highlights Remotely control your phone to start video recording during exercise, with real-time data such as heart rate and calories shown on screen. Convenient NFC payment For contactless and cashless payments, simply tap your Xiaomi Watch S4 41mm against a payment terminal. Now supports Mastercard and Visa.