Description

Specifications

Size(Square):

40.5 x 35.8 x 8.95 mm (without sensor base)

Weight:

 19.5 g (without strap)

Waterproofing Grade:

5 ATM

Screen:

AMOLED

Screen 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 days

Basic Usage Battery Life:

21 days

Heavy Usage Battery Life:

7 days

Sensor

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