Xiaomi Mi Band 4

Xiaomi Mi Band 4
Brand: Xiaomi
Category: Wearables
  • Screen 0.95 inch OLED Display
  • Battery life Up to 20 days
  • Water resistance 5 ATM
  • Sensors 3-axis accelerometer, 3-axis gyroscope, capacitive proximity sensor, optical heart rate sensor
  • Date June 2019

Specs

General

Physical size 21.6 x 10.8 x 12 mm
Material Polycarbonate, silicone wristband
Charging Magnetic charging
Battery 135 mAh
Battery life up to 20 days
Water resistance 50 metres (5 ATM)
Weight 22 grams
Display type Colour AMOLED with 2.5D curved glass protection. Screen brightness up to 450 nits.
Display size 0.95 inch
Display resolution 120 x 240 pixels
Color options Black, Blue, Red

Sensors

Accelerometer Yes
Barometric altimeter No
Compass No
Galvanic skin response No
Geomagnetic No
Gyroscope Yes
Optical heart rate Yes
Electrical heart rate No
SpO2 No
Temperature No
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Ambient light sensor No
Vibration motor Yes
Microphone No
Speakers No

Health & activity tracking

Steps Yes
Distance Yes
Calories burned Yes
Sports tracking Yes (6 sports modes)
Floors No
Sleep Yes
Heart rate Yes
Stress No
Blood oxygen No
Respiration rate No
UV exposure No
Skin temperature No
Hydration level No
HRV No
ECG No
Calorie intake No
Blood pressure No
Glucose No
Other Stopwatch, Alarm clock, Timer, Find my phone, Phone unlock, Event reminder, Do not disturb mode (works even without phone), Lock screen

Daily smart features

Smartphone notifications Yes
Smartphone music control Yes
On-board music storage No
Connected pay Yes
Cellular No
Connectivity Bluetooth 5.0
Operating system Proprietary

Links

Affiliate link Amazon
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