Graphite Black, Creative Watch Faces, Plug and Charge, Proactive Health Monitoring

Features
Huawei Band 4
Creative Watch Faces. Plug and Charge. Proactive Health Monitoring.

Youthful Design Meets Ergonomic Comfort
Like a stylish splash of colours, HUAWEI Band 4 is available in Sakura Pink, Amber Sunrise and Graphite Black. The 2.5D colourful touch screen offers you with the stunning visual experience, engaging interface and smart message notification.


Every Unique Side of You
Express yourself by giving your device as much personality as you have.

HUAWEI Watch Face Store[1] offers various watch faces in different styles of sports, cartoon, intelligence and hi-technology for your selection. The style changes with your mood.


Easy Charging, Longer Usage
Free you from different cables and chargers. The built-in USB plug of HUAWEI Band 4 fits in general USB chargers so you charge it anywhere and anytime.2 A single charge powers the band with more than 6 days of usage time.[3]


Smart Heart Rate Tracking
Thanks to the professional optical devices, processing chips and AI algorithm, the HUAWEI TruSeen™ 3.5 monitors your heart rate with accuracy. It also provides intelligent reminders via vibrations if your heart rate exceeds the maximum average heart rate.4 In the night mode, the invisible light ensures less distraction for your better sleep.


Care For You Better Sleep
Healthy sleep is the basis for healthy living. HUAWEI TruSleep™ 2.0 tracks your heart rate during sleep to recognize the four phases and analyze the sleep quality. More than identifying 6 types of sleep problems, it also provide suggestions5 to help you enjoy better sleep.


Get Active. Stay Active.
Outdoor / Indoor run, Outdoor / Indoor walk, Outdoor / Indoor cycle6, Elliptical, Rower, Free training. Conveniently choose exercises from nine modes and track your workouts. HUAWEI Band 4 provides detailed data results like heart rate, heart rate zone, steps, distance, speed, calories and more. So you can adjust yourself for better exercising or training.


Life Assistant on Your Wrist
Notifications of any messages or phone calls, Find My phone, Remote Shutter[7], all with a touch of your finger to your wrist. Live an efficient life with HUAWEI Band 4.


Remarks
1. HUAWEI Watch Face Store is available only on Android and availability may vary by regions.
2. Clear the charging port of any water, sweat of dirt before charging to guarantee normal charging. A general USB charger is required.
3. Based on results from HUAWEI lab tests. Battery life depends on actual usage situation.
4. Users can manually adjust this setting.
5. Features may not be available depending on the country or region.
6. Outdoor cycle is only supported on Huawei EMUI 5.0 or later, and iOS 9.0 or later.
7. Supported only on phones running EMUI 8.1 or later.

Specifications
Dimensions
Band body (Lx Wx H): 56 mm (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

Weight
Approximqtely 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: Black

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

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 Resitance: 5ATM

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