Dimensions
42.81mm × 25.42mm × 9.99mm
*Height, width and thickness dimensions exclude the strap and protrusions
Weight:
14.9g (without strap)
Band Strap
Adjustable length：
135-215mm
Material:
TPU
Color:
Ivory｜Olive｜Snazzy Green｜Blue｜Black｜Pink
Display
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
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
Battery
Charging type:
magnetic charging
Charging time:
Less than 120 minutes
Typical use time:
14 days
Capacity:
210mAh
Fitness
30+ fitness modes
Health
Heart rate monitoring
SpO₂ tracking
*The 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 uncomfortable, please rely on professional medical devices or consult a doctor for assistance.
Sleep tracking
Female health tracking
*This feature should not be used or relied on for any medical purposes. It may not accurately predict your menstrual cycles or related information. All data and tracking should be used for personal reference only.
Stress monitoring
Specifications
5ATM water resistant
App: Mi Fitness
Bluetooth 5.1 BLE
Operating system: Android 6.0 or higher, iOS 12 or higher