Introducing the classic wrist watch design with a sophisticated look and a large screen with ultra-narrow bezel, a strap for every occasion, and the next-level smart watch experience. Classic, sleek design with rotatable crown Sapphire glass, stainless steel case 1.47″ AMOLED display, ultra-thin bezels Always-on display, exquisite watch faces All-new MIUI Watch OS Unified UI, smoother interaction Advanced health and workout tracking High-precision tracking of heart rate, SpO?, sleep, and more Built-in GPS, 100+ fitness modes 5-system dual-band GPS, 5ATM water resistance Up to 14 days of battery life 500mAh battery, wireless charging 46mm-diameter watch size 1.47″ large screen with ultra-narrow bezel Looks and feels just right The watch is simply exquisite with the narrowest bezel ever on Xiaomi watches* and larger display under the same dimensions. With improved brightness and contrast* for a more detailed display, this is the most advanced watch display produced by Xiaomi Featuring sapphire glass Visibly refined and eye-catching Sapphire glass is smooth and bright, bringing a sense of elegance to any occasion. It is also extremely resistant to scratches during daily wear. The stainless steel watch body Elegant and streamlined The lugs are narrower and featured with a streamlined frame for a tighter fit around your wrist. After the multi-stage polishing process, the unique shining and smooth surface of the stainless steel emerges. Sapphire glass,ceramic-like coating Looks exquisite from every angle The Sapphire crystal glass heart rate window is both harder and more scratch-resistant. The window is surrounded by a glossy ceramic-like coating back cover, which feels soft and comfortable to wear. Screwless and unibody design Simple and Complete The delicate and extremely simple design of the screw-less back cover reduces porosity, so there is hardly any place for dirt. Clean it effortlessly with just a gentle wipe. The premium studded smart crown Smooth and purposeful rotation Inspired by classic mechanical watches, the CNC crown is finely carved, making it highly distinctive. Experience new interactions by turning the crown gently and feel the detailed feedbacks from your watch because of the linear motor. Browse the menu by gently rotating the crown. *For this interface, we take an Android smartphone as an example. Interfaces displayed may vary depending on smartphones and systems. You can adjust the volume by rotating the crown up or down. *Make sure to upgrade the firmware of your watch to the latest version. This feature can be supported by music control application of the system. Interfaces displayed may vary depending on smartphones and systems. Hand-polished leather strap Comfortable to wear, soft and snug fit The strap is made of selected soft calf leather materials, with the inner layer padded for a better shape. It forms a better fit with your skin, with delicate hand stitching for a touch of craftsmanship. For sports lovers, we have one more option The fluororubber strap is the preferred choice for exercising, with the specially designed track-shaped sweat-guiding channels for better sweat-wicking performance. Multi-screen smart connecting Smartphone settings such as quick pop-up window pairing, message notifications, do not disturb mode, and schedule, can be synchronized with your watch in no time. Clearer calls through your watch Bluetooth® calls completely free your hands. With the AI call noise reduction algorithm developed by Xiaomi, your voice can be heard clearly even in noisy environments. With more sophisticated detection technology applied, you can set your own blood oxygen threshold.The watch will send you warnings if it detects that your blood oxygen levels have fallen below the threshold for a certain period of time, acting as a guardian for your blood oxygen health. 100+ fitness modes Choose whichever mode you like for exercising Supports 100+ fitness modes such as running, cycling, mountaineering, triathlon, elliptical training and rowing. Professional fitness modes have been optimized for more accurate exercise monitoring. 10 built-in running courses Your personal trainer available at any time Running courses of different durations and intensities to achieve basic to advanced training goals with guidance on how to adjust your heart rate to ensure better training result Dual-band GPS Five satellite positioning systems Accurate records of your training routes The independent dual-band GPS chip supports five major satellite positioning systems* for accurate positioning, also coupled with the dual-band feature. Now location positioning on your wrist is faster and training routes more accurately recorded. Precise 3D distance monitoring for mountaineering Follow with your new record breaking heights For sports with altitude changes such as mountaineering, the exercising algorithm for precise monitoring is adjusted and optimized to count every step you climb. Powerful chip, strong performance Higher efficiency, lower power consumption Featuring an advanced 12nm chip process technology and supported by Xiaomi’s performance adjustment algorithm, the watch has managed to enhance its performance and lower its power consumption, prolonging the battery life and being compatible with MIUI Watch OS for smooth performance. Powerful performance Backed by extraordinarily long battery life With Xiaomi’s wireless fast charging* technology, enjoy up to 2 days of battery life* after being charged for 10 minutes. It can be fully charged in 85 minutes, with up to 14 days of battery life in typical usage mode. Reverse wireless charging allows your watch to stay powered on No need to worry if you forget to bring a charger with you when away from home, now trying reverse charging from a Xiaomi smartphone*, for peace of mind. Convenient NFC Simply tap Xiaomi Watch S1 Pro to a Mastercard® payment terminal for cashless, contactless payment*. Alexa voice assistant Check the weather, set an alarm, remotely control your home smart appliances, and more. So just ask Alexa. Daily health data at your fingertips Daily health statistics, such as heart rate, fitness, and sleep, are shown in detail to provide a clear picture of your health. Support easy syncing data with Strava and Apple Health.