Mi Band 3
Quick details
Released
May 2018
Display 0.78 inch OLED touchscreen
Battery life Up to 20 days
Water resistance 5 ATM
GPS Connected GPS (phone required)
Sensors Accelerometer, Optical heart rate
Technical specifications
General
Release date 2018-05
Product type Fitness tracker
Weight 20 g with strap; tracker body 8.5 g
Water resistance 5 ATM
Display type OLED touchscreen
Display size 0.78 inch
Display resolution 128 x 80 pixels
Battery Rechargeable lithium-polymer battery; 110 mAh
Battery life Up to 20 days
Charging Proprietary USB charging cradle
Sensors
GNSS type Connected GPS
GPS Connected GPS (phone required)
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes
Electrical heart rate No
SpO2 No
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes (via Mi Fit workout modes)
Sleep Yes
Heart rate Yes
HRV No
Stress No
Blood oxygen No
Respiration rate No
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Vitality Score No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Bluetooth Yes (4.2 BLE)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
