Broader view, clearer details

Xiaomi Watch S1 Active The bigger, clearer, 1.43″ AMOLED display offers a more colorful, smoother viewing experience. The always-on display* allows you to check the time more conveniently. Important notifications such as incoming calls, reminders, and sports notifications can be displayed with clarity, even in strong light.

Want more choices? No problem.

Take your style to the next level with three more awesome color options for the interchangeable straps.

200+ watch faces Style it up with more customizations

Choose from 200+ watch faces with various themes, including technology, sports, machinery, and cartoons. Super watch faces and custom watch faces are also available, allowing you to select one that perfectly matches your taste and temperament.

Designed for the sports enthusiasts, like you

Access your favorite sports mode with just one click

You can customize your settings to access your favorite sports mode with just one click of the SPORT button. Furthermore, auto-detection of treadmill, outdoor running and walking are supported*.

Dual-band multi-system GPS

The built-in dual-band GNSS chip supports five major satellite positioning systems: GPS, BeiDou, GLONASS, Galileo, and QZSS, together with advanced optimization algorithms to achieve faster, more accurate positioning, giving you professional statistics.

No more battery anxiety

Say good-bye to your low-battery anxiety with this 470mAh large battery and low power consumption AI algorithm! The convenient magnetic charging cable gets you a full charge in just 2.5 hours.

Free your hands with Bluetooth® phone call

Thanks to the built-in microphone and speaker, Bluetooth® phone call is now supported on Xiaomi Watch S1 Active. When you are outdoor running, or in a situation not convenient to take out your phone, answer or reject incoming calls with one tap on your watch.

Facing an emergency? Don’t panic!

Click the side button on the bottom right-hand corner three times in a row to quickly dial your emergency contact.

Your Health

Cared for 24/7

24-hour heart rate monitoring

The multi-channel PPG bio-sensor performs 24-hour heart rate monitoring. With upgraded hardware and algorithms, the sensor accurately monitors your heart rate even as you perform high-intensity sports such as trail-running and cycling, and notifies you when your heart rate is too high. It also automatically saves the resting heart rate* curve for the previous 30 days, continuously tracking health improvements made from exercising.

All-day blood oxygen monitoring*

Get an SpO₂ measurement for a peace of mind. Newly upgraded to support all-day continuous SpO₂ monitoring. Measurement interval can be set up according to your need.

Advanced sleep monitoring Sleep well to perform well

The sleep monitoring function has also been upgraded with a 35%* increase in accuracy and support monitoring night-time long sleeps and daytime sporadic naps. Record your sleep patterns through different stages and help to improve your habits for a better sleep.

Mi Fitness app 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. You can also add various health plans to develop habits of self-discipline. Support syncing data with Strava and Apple Health.

Mastercard® NFC cashless payment*

Simply tap the Xiaomi Watch S1 Active onto the Mastercard® payment device to make cashless, contactless payments.

Alexa voice assistant*

Check the weather, set an alarm, remotely control your home smart appliances, and more. All by just asking Alexa. Alexa features and functionality will be supported via OTA and require the watch’s firmware to be upgraded to the latest version.