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 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. A single charge powers the band with more than 6 days of usage time.
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. 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 suggestions to help you enjoy better sleep.
Get Active. Stay Active.
Outdoor / Indoor run, Outdoor / Indoor walk, Outdoor / Indoor cycle, 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, all with a touch of your finger to your wrist. Live an efficient life with HUAWEI Band 4. More information: Features | Heart rate monitor | Yes |  | Active minutes | Yes | | Calories burned | Yes | | Distance travelled | Yes | | Pedometer | Yes | | Hours slept | Yes | | Quality of sleep | Yes | | Personal goals | Yes | | Workout tracking | Yes | | Heart rate sensor type | Optical | | Motion sensor | Yes | | Accelerometer | Yes | | Find my phone function | Yes | | Call notifications | Yes | | Timer | Yes | | Alarm clock | Yes | | Vibrating alert | Yes | Ports & interfaces | Bluetooth | Yes | | Bluetooth version | 4.2 | Operational conditions | Operating temperature (T-T) | -10 - 45 °C | Design | Device type | Wristband activity tracker | | Form factor | Rectangle | | Product colour | Black | | Housing material | Plastic | | Band colour | Red | | Band material | Silicone | | Minimum strap length | 85 mm | | Maximum strap length | 123 mm | | Closure type | Single prong strap buckle | | Waterproof | Yes | | Water resistance | 5 ATM | | Control type | Touch | Weight & dimensions | Weight | 24 g | | Width | 18.5 mm | | Depth | 56 mm | | Thickness | 12.5 mm | Performance | Display type | TFT | | Touchscreen | Yes | | Display diagonal | 0.96 " | | Display resolution | 80 x 160 pixels | | Colour display | Yes | | Processor model | Apollo 3 | | ROM capacity | 1 MB | Power | Battery life | 9 day(s) | | Battery capacity | 91 mAh | | Charging time | 1.5 h | | Charging source | USB | Other features | Brand compatibility | Any brand | | Connectivity technology | Wireless | System requirements | Mobile operating systems supported | Android 4.4, Android 5.0, Android 5.1, Android 6.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 10.0, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 9.0, iOS 9.1, iOS 9.2, iOS 9.3 | Packaging content | User guide | Yes |
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