Description

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 Store1 offers various watch faces in different styles of sports, cartoon, intelligence and hi-technology for your selection. The style changes with your mood.

Oxygen Saturation Detection
Blood oxygen saturation (SpO2) is one of the important vital signs that can reflect the oxygen supply of the body. HUAWEI Band 4 supports single-time SpO2 level measuring, helping you detect the level of oxygen in the blood whenever and wherever you need.4

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.5 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 analyse the sleep quality. More than identifying 6 types of sleep problems, it also provide suggestions6 to help you enjoy better sleep.
Get Active. Stay Active.
Outdoor / Indoor run, Outdoor / Indoor walk, Outdoor / Indoor cycle7, 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 Shutter8, all with a touch of your finger to your wrist. Live an efficient life with HUAWEI Band 4.
Dimensions
Band body (Length x width x height): 56.0 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
Weight
Approximately 24 g (including the wrist strap)
COLOUR
Graphite Black|Sakura Pink|Amber Sunrise
Display
TFT colour screen
Resolution: 80 x 160 pixels
Size: 0.96 inches
Material
Front cover: Plastic
Strap: Silicone rubber
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)
MICROPROCESSOR
Apollo 3
ENVIRONMENT
Ambient operating temperature: -10 °C – +45 °C
BLUETOOTH
Bluetooth frequency: 2.4 GHz
Bluetooth 4.2
Charging Port
USB charging port
Water Resistance: 5ATM
Storage
ROM: 384 KB
ROM: 1 MB
Flash: 32 MB
Button Control: Full screen touch + Home key
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