Notes

1. Data of battery life is based on light mode, tested by Xiaomi Internal Labs. Actual results may vary. Please visit Xiaomi's official website for more details.

2. This product and its features are not designed for medical purposes, and are not intended to predict, diagnose, prevent, or cure any disease.

3. Thickness dimensions exclude the protrusions.

4. Data obtained from Xiaomi Internal Labs. Actual results may vary.

5. Weight data exclude the strap.

6. Data obtained from Xiaomi Internal Labs and compared to Xiaomi Watch S4.

7. Peak brightness refers to the highest brightness that is lit only in a specific area of the screen.

8. Test conditions for the light usage scenario: With the watch fully charged, turning on power saving mode, using factory default settings and the Sunspots watch face, with high-precision sleep monitoring, and message notifications, receiving 100 messages per day, 6 incoming call alerts, 3 alarms; raising the wrist 300 times per day to activate the screen and launching the app to synchronise data once per day; with 30 minutes of Bluetooth calls per week; 30 minutes of local music playback to connected headphones per week; and 90 minutes of exercise recording per week (with GNSS enabled).

9. Test conditions for the normal usage scenario: the watch is fully charged and restored to factory settings, using the Black Textured Round Universe watch face, with always-on display, advanced sleep monitoring, all-day stress monitoring, all-day blood oxygen monitoring enabled, along with message notifications. Under these conditions, the watch receives 100 messages, 2 incoming calls and 3 alarms, performs 8 NFC payments, 360 raise-to-wake activations and 1 app sync, with 15 minutes of Bluetooth calling, 30 minutes of local music playback with connected earphones, 180 minutes of GNSS-enabled exercise per week, and 6 minutes of screen interaction per day.

10. Test conditions for the AOD normal usage scenario: the watch is fully charged and restored to factory settings, using the Black Textured Round Universe watch face, with advanced sleep monitoring, all-day stress monitoring, all-day blood oxygen monitoring, heart health monitoring and smart heart rate monitoring enabled, along with message notifications. Under these conditions, the watch receives 100 messages, 2 incoming calls and 3 alarms, performs 8 NFC payments, 360 raise-to-wake activations and 1 app sync, with 15 minutes of Bluetooth calling, 30 minutes of local music playback with connected earphones, 180 minutes of GNSS-enabled exercise per week, and 6 minutes of screen interaction per day.

11. After activating Outdoor Cycling mode on the watch, the Mi Fitness app will automatically connect to the smartphone when opened. To deactivate this feature, swipe left on the workout page and tap Stop to view details.

12. Only supports power meters using standard Bluetooth protocols. Ensure the watch is updated to the latest version to search for, connect to and use the power meter in Outdoor Cycling mode.

13. When using Bluetooth heart rate broadcasting, ensure your bike computer supports the BLE heart rate protocol and that heart rate reception is enabled for optimal performance. Currently supported devices include: • Bryton: e.g. R420, 750SE, S800 • Magene: e.g. C506, C606 Pro • Garmin: e.g. Edge 540, Edge 840

14. Compatibility may vary depending on device model or firmware version. Please check your device settings in advance to confirm BLE heart rate protocol support and ensure proper pairing.

15. Sports vlog recording is only available on Xiaomi, REDMI and POCO phones. To use this feature, ensure that the watch firmware and the Mi Fitness app are updated to the latest versions.

16. Fall detection while skiing and emergency calls must be enabled and configured in the safety settings for skiing modes. The emergency call function requires the watch to be connected to the Mi Fitness app, and emergency contact details must be set in advance.

17. Feature availability may vary by region. Please refer to your local official website for more information. Offline maps must be downloaded separately via the Mi Fitness app on your smartphone.

18. Health Connect is a trademark of Google LLC.

19. SUUNTO is trademark of SUUNTO OY.

20. Blood oxygen: When all-day monitoring is enabled, measurements are taken every 10 minutes while at rest.

Heart rate: When smart monitoring is enabled, the frequency increases automatically to once per minute during activity.

Sleep: For rapid eye movement (REM) monitoring, high-precision sleep tracking must be enabled in the app or on the watch. Naps shorter than 20 minutes may not be recorded.

21. This product and its features are not designed for medical purposes, and are not intended to predict, diagnose, prevent, or cure any disease.

22. To use the sleep improvement plan feature, the Mi Fitness app must be updated to the latest version.

23. To use this feature, please update the watch firmware and Mi Fitness app to the latest versions.

24. To use Xiaomi Smart Hub, the watch must be connected to a Xiaomi smartphone or tablet supporting the latest version of Xiaomi HyperOS, with the latest version of the Mi Fitness app and Xiaomi Home app installed.

25. Use of NFC requires a wireless service plan and may be subject to restrictions when changing providers or roaming (even after contract expiry). NFC contactless payments are only supported at Mastercard® and Visa® terminals. Availability of Mastercard® and Visa® payments, as well as NFC functionality, may vary by region. For more details, please visit https://www.mi.com/global/support/nfc-bank and contact your issuing bank.