Color

Obsidian Black

Size (square)

46.4x46.4x10.7mm

Weight

Classic model-39g (without strap)

Body

Classic-stainless steel

Buttons

2 buttons

Waterproofing Grade

5 ATM

Material

AMOLED

Size

1.39 inches

Resolution

454x454

PPI

326

Touch Screen

Tempered glass

anti-fingerprint coating

ODLC coating

Endurance

Battery Capacity

471 mAh (typical value)

Charging Method

Magnetic Charging Stand

About 2.5 hours

Battery Life

14 days9

Basic Usage

38 days9

Heavy Usage

6.5 days9

Health

Huami self-developed BioTracker™ 2 PPG

(support blood oxygen) biological data sensor

Movement

Air pressure sensor, Acceleration sensor,

Gyroscope sensor, 3-axis geomagnetic sensor,

Ambient light sensor

Connection

Bluetooth 5.0

WLAN 2.4GHz

Positioning

GPS + GLONASS

Material

Silicon or Leather, Quick release

Width

22mm

Clasp

Classic Pin Buckle

Speaker

Support

Microphone

Support

Linear Motor

Support