Exterior
colour
Obsidian Black
size
46.4*46.4*10.7mm
weight
Sports model-31.5g (without strap)
Classic model-39g (without strap)
body
Sports-Aluminum
Classic-stainless steel
button
2 pcs
waterproof level
5ATM
Screen
material
AMOLED
Resolution
454*454
PPI326
Endurance
battery capacity
471mAh (typical value)
charging method
Magnetic charging stand
Charging time
About 2.5 hours
Daily use mode battery life
14 days
Basic watch mode battery life
38 days
Sensor
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
Connection
NFC, WLAN 2.4GHz, Bluetooth 5.0
strap material
Quick release silicone, leather strap
width
22mm
Clasp
Classic pin buckle
Other
Support: speaker, microphone, linear motor
