Mi Smart Band 4 tech specs


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Body
Weight 22.1 g (0.78 oz)
Width
Height
Thickness
Wrist size 155.0 mm (6.10 in) - 216.0 mm (8.50 in)
Band width 18.0 mm (0.71 in)
Water resistant 5 ATM
Display
Display size 24.1 mm (0.95 in)
Display type AMOLED
Display resolution 120 x 240px
Touchscreen Yes
Always On
Connectivity
Cellular networks
Wi-Fi
Built-in GPS
NFC
Bluetooth Yes
Smart features
Operating system
Assistant
Contactless Payments
Make and Answer Calls
Send text responses
Control phone music Yes
Local music storage
Storage
Health features
Sleep tracking
Fall detection
Heart rate
SpO2
ECG
Skin temperature sensor
Battery
Battery life 20 days
Sensors
Compass
Barometric altimeter
Ambient light sensor
Accelerometer Yes
Gyroscope Yes
Offers
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