Color : Midnight Black, Flamingo Pink, Sage Green
Size(Square) : 40.5 x 35.8 x 8.95 mm (without sensor base)
Weight : 19.5 g (without strap)
Body : Aluminum alloy
Bottom shell : Plastic
Button : 1 button
Waterproofing Grade : 5 ATM12

Screen :
Material : AMOLED
Size : 1.55 inches
Resolution : 354 x 306
PPI : 301
Battery Capacity : 220 mAh (typical value)
Charging Method : Charging base
Charging Time : About 2 hours
Typical Usage Battery Life : 14 days10
Basic Usage Battery Life : 21 days10
Heavy Usage Battery Life : 7 days10

Sensor :
Health
Huami self-developed
BioTrackerTM 2 PPG (support blood-oxygen)
biological data sensor

Movement
Acceleration sensor, Gyroscope sensor
Geomagnetic sensor, Ambient light sensor
Vibration Motor

Connection : Bluetooth 5.0 BLE

Strap :
Material Silicone
Width 20 mm
Clasp Classic pin buckle

Packing List
Watch body (including standard strap) / charging base / user instruction manual

Warranty 1 year