Huawei Band 4

SPECIFICATIONS 

Band body (Length x width x height): 56 mm (entire length without the strap) x 18.5 mm (width) x 12.5 mm (thickness of the band body)

Strap width: 17 mm
Strap length: 123 mm + 85 mm

DISPLAY

TFT colour screen
Resolution: 80 x 160 pixels
Size: 0.96 inches

MICROPROCESSOR 

Apollo 3

OPERATING SYSTEM

Android 4.4 or later
iOS 9.0 or later

SENSOR

3-axis acceleration sensor
Infrared wear sensor
Optical heart rate sensor

BATTERY

Capacity: 91 mAh

Charging time: about 1.5 hours (in ambient temperature of under 25 °C)

7 days:
HUAWEI TruSleep™ is enabled, Heart rate monitoring (Smart mode) is enabled, Raise wrist to wake screen is disabled;
8 days:
HUAWEI TruSleep™ is enabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled
9 days:
HUAWEI TruSleep™ is disabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled

Screen is checked briefly 200 times a day, 50 messages a day, 3 calls a day, 3 alarms a day

Data is based on tests results from the Huawei lab. Actual battery life varies depending on your band’s configuration, operations, ambient environment, and how long the battery has been used.

*Typical value. Actual capacity may vary slightly.
This capacity is the nominal battery capacity. The actual battery capacity for each individual phone may be slightly above or below the nominal battery capacity.

ENVIRONMENT 

Ambient operating temperature: -10 °C – +45 °C

BLUETOOTH 

Bluetooth frequency: 2.4 GHz
Bluetooth 4.2

MATERIAL

Front cover: Plastic
Strap: Silicone rubber

CHARGING PORT

USB charging port

WATER RESISTANCE 

5 ATM

Devices complying with the 5 ATM-rated water have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. However, they should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth.

STORAGE

ROM: 384 KB
ROM: 1 MB
Flash: 32 MB

BUTTON CONTROL

Full screen touch + Home key

In the box

Band x 1
Quick start guide, safety information, and warranty card x 1