Huawei Band 4

Key features: 5ATM water resistant, Bluetooth 4.2, Heart rate, Sleep and Activity Dimensions

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)

Dimensions:Strap width: 17 mm

Strap length: 123 mm + 85 mm

Weight:

Approximately 24 g(including the wrist strap)

*Product size, product weight, and related specifications are theoretical values only. Actual measurements between individual products may vary. All specifications are subject to the actual product.

Colour:

Graphite Black,Sakura, PinkAmber Sunrise

Display:

TFT colour screen

Resolution: 80 x 160 pixels

Size: 0.96 inches

Microprocessor:

Apollo 3

Operating System:Android 4.4 or later iOS9.0 or later

Sensors: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

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