Powered by a newly upgraded AFE chip with optimized light adjustment logic for the monitoring module,
along with an enhanced self-developed heart rate algorithm from Xiaomi, the accuracy of heart rate level measurements has improved by 15%*. 
*Compared with Xiaomi Smart Band 8 Pro. Data tested by Xiaomi Internal Labs. Actual results may vary.
*Alerts for heart rate and SpO₂ need to be enabled manually.
*Heart rate: If continuous monitoring is enabled, you can adjust the monitoring frequency as needed, setting it to smart monitoring or measuring every 1, 10 or 30 minutes.
*Blood oxygen: When all-day tracking is on, it will keep track of your SpO₂ when you are sedentary.
*Women’s health management: Prediction needs to be enabled manually, and it’s predicted by the data inputed.
*All-day stress monitoring and relax reminder need to be enabled manually.
Notes:
*This product and its features are not designed for medical purposes and are not intended to predict, diagnose, prevent, or cure any disease.
*The product images and models, data, functions, performance, specification parameters, user interface and other product information on this page are for reference only and may differ from the actual product. Xiaomi may amend this information. For details, please refer to the actual product.
*The functions on this page require the band to be upgraded to the latest system version to avoid abnormal functionality.
*Wearing the strap loosely may lead to deviations in heart rate, blood oxygen levels, sleep tracking and other data.
*The blood oxygen monitoring (SpO₂) feature is not intended for diagnosis, prevention, monitoring, prediction, prognosis of any disease, investigation of physiological processes or any other medical purpose. All data and tracking should be used for well-being and personal reference only. If you feel unwell, please rely on professional medical devices or consult a doctor for assistance.
*Water-resistant to 50m: Based on the ISO 22810 First edition: 2010 test standard, the Xiaomi Smart Band 9 Pro has been certified water-resistant by TÜV SÜD. Water resistance rating report number: 68.189.24.0454.01. Rated 5ATM water-resistant (equivalent to a submersed depth of 50 metres). This means it can be worn in swimming pools, while swimming near the shore and during other shallow water activities. It is not suitable for wearing in hot showers, saunas, or while diving. Make sure to avoid direct impacts from swift currents. Water resistance is not permanent and may reduce over time.
*Heavy-load mode test conditions for the Xiaomi Smart Band 9 Pro: With the battery fully charged, using factory default settings, with a static watch face, AOD display turned on, and with high-precision sleep monitoring, in-sleep breathing monitoring, all-day stress and blood oxygen monitoring, and whole-day heart rate monitoring once per minute turned on; with message reminders (100 messages, 10 call reminders, 3 alarms per day) turned on and movement recording turned on for 60 minutes per week.
*AOD mode test conditions for the Xiaomi Smart Band 9 Pro: With the battery fully charged, using factory default settings, with a static watch face, AOD display turned on, and with high-precision sleep monitoring, in-sleep breathing monitoring, and all-day stress and blood oxygen monitoring turned off; whole-day heart rate monitoring turned on at a frequency of once every 30 minutes; message reminders (100 messages, 10 call reminders, 3 alarms per day) turned on; screen arm-movement activated 200 times per day; blood oxygen saturation manually measured twice per day and movement recording turned on for 60 minutes per week.
*Typical usage mode test conditions for the Xiaomi Smart Band 9 Pro: With the battery fully charged, using factory default settings, with a static watch face and with high-precision sleep monitoring, in-sleep breathing monitoring, and all-day stress and blood oxygen monitoring turned off; whole-day heart rate monitoring turned on at a frequency of once every 30 minutes; message reminders (100 messages, 10 call reminders, 3 alarms per day) turned on; screen arm-movement activated 200 times per day; blood oxygen saturation manually measured twice per day and movement recording turned on for 60 minutes per week.
*Do not expose the Smart Band to strong magnetic fields as the functionality of the device may be affected.
*Some device functions (including but not limited to call reminders, notification reminders and so on) require the app to run in the background. For specific instructions, please refer to the prompts on the band or in the app.
*Please use the accompanying charging cable rather than a third-party charging cable, otherwise, the product may not work correctly.
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