Weight: 22.1g
Water resistance rating: 5 ATM
Display Type: AMOLED
Screen size: 0.95?
Resolution: 120×240 RGB
Color depth:24 bit
Screen brightness: Up to 450 nits
Touchscreen type: On-cell capacitive touchscreen
Screen protection: 2.5D tempered glass with anti-fingerprint coating
Button: Single touch button (wake up, go back)
Wrist strap material: TPU
RAM:512K
ROM:16MB
Wireless connectivity: BT5.0 BLE
Sensors:3-axis accelerometer + 3-axis gyroscope; PPG heart;rate sensor; Capacitive proximity sensor
Battery:20 days
Standby time:? 2 hours
Charging Time: Android 4.4, iOS 9.0 or above
System requirements: Mi Smart Band 4 x1, Wrist strap x1, Specialized
Package contents:charging cable x1, User guide x1″
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