Screen Size

1.39’’, AMOLED 454x454

OS

Android 5.0 or iOS 10.0 and above 

Weight 

32g

Storage

3GB

Sensors

Health: Huami self-developed BioTracker™ 2 PPG (support blood oxygen) Biological data sensor 

Movement: Acceleration sensor, Gyroscope sensor
 3-axis geomagnetic sensor
 Ambient light sensor
 Air pressure sensor
 Temperature sensor Ambient 

Battery

471 Mah

Warranty

2-YEAR

Connectivity

Bluetooth