Remarkable durability for carefree use

With advanced low-power hardware and intelligent algorithms, the autonomy reaches 21 days. Charge it once and forget about the charger for a long time, enjoying full functionality without interruptions. *This product and its functions are not designed for medical purposes and are not intended to predict, diagnose, prevent or treat any disease. *The accessory straps shown on this page must be purchased separately. *Functions on this page require the Smart Band to be upgraded to the latest system version in order to avoid abnormalities in operation. *Loosely fitting the strap may result in discrepancies in heart rate, blood oxygen levels, sleep monitoring and other data. *The blood oxygen (SpO₂) monitoring function is not intended for diagnosis, prevention, monitoring, prediction, prognosis of any disease, investigation of physiological processes or any other medical purpose. All data and monitoring should be used for wellness and personal reference only. If you feel unwell, rely on professional medical devices or consult a doctor for assistance. *All battery autonomy test data comes from Xiaomi's internal laboratories. Battery life in actual use may vary due to factors such as setting, operation and environment and may differ from lab results. *Product images and models, data, functions, performance parameters, specifications, user interface and other product information on this page are for reference only and may differ from the actual product. Xiaomi may modify this information. For details, please refer to the actual product. *The content and functions displayed on this page cannot be guaranteed to remain permanent and may be subject to change due to changes in copyright, commercial or technical conditions. In the event of modifications without individual notice, please refer to the actual product content and features. *Certain device features (including, but not limited to, call reminders, notification reminders, etc.) require the application to run in the background. For specific instructions, see the instructions on the Smart Band or in the app. *Do not expose the Smart Band to strong magnetic fields, as this may affect the functionality of the device.