Dimensions: 42.81mm × 25.42mm × 9.99mm
*Height, width, and thickness dimensions exclude the strap and protrusions
Weight: 14.9g (without strap)
Adjustable length: 135-215mm
1.47" TFT display
Resolution: 172 x 320 pixels，247 PPI
Brightness: Max > 450 nits
Material： Tempered glass with anti-fingerprint coating | 2.5D micro-curved glass
The band faces: 100+
Approximately 10.5% larger viewing area*
*The viewing area of the Redmi Smart Band 2 is approximately 10.5% larger than the Xiaomi Smart Band 7.
Sensors: PPG sensor | Accelerometer | Motor：ERM
Charging type: magnetic charging
Charging time: Less than 120 minutes
Typical use time: 14 days
Fitness: 30+ fitness modes
Heart rate monitoring
*The SpO₂ feature is not intended for diagnosing, preventing, monitoring, predicting, or prognosis of any disease, investigating physiological processes, or any other medical purpose. All data and tracking should be used for well-being and personal reference only. If you feel uncomfortable, please rely on professional medical devices or consult a doctor for assistance.
Female health tracking
*This feature should not be used or relied on for medical purposes. It may not accurately predict your menstrual cycles or related information. All data and tracking should be used for personal reference only.
5ATM water resistant
App: Mi Fitness
Bluetooth 5.1 BLE
Operating system: Android 6.0 or higher, iOS 12 or higher