HUAWEI Band 4 Pro - 0.95-inch AMOLED / Bluetooth 4.2 / Graphite Black

• 
  

Dimensions
Dimensions (Length x width x height):	45mm (span of main body) x 19mm (width) x 11mm (maximum thickness of the main body)
Material:	Engineering plastic + metal front shell
Weight	Approximately 25g (including the wrist strap)
Wrist Strap
Material	Silicon rubber
Width	16.5mm (after the strap is fully loosened)
Length	The long strap is about 120mm, and the short one is about 92mm
Colour	Graphite Black Pink Gold Cinnabar Red
Operating System	Android 4.4 or later iOS 9.0 or later
GPS
Supported
Sensors	‎6-axis IMU sensor (Accelerometer sensor, Gyroscope sensor) Optical heart rate sensor Infrared wear sensor
Battery
Capacity	‏Typical value at 100mAh
Charging time:	about 100 minutes (under 25 °C ambient temperatures)
Environment
Ambient operating temperature	-10 ℃ – +45 ℃
Screen
AMOLED colour screen
Resolution	240 x 120 pixels
Size	0.95 inches (21.6mm x 10.8mm for AA area)
Button	Full screen touch + Home button Waterproof Level 5ATM Devices complying with the 5ATM-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.
Bluetooth
Bluetooth frequency	2.4GHz Bluetooth 4.2 Bluetooth connection distance less than or equal to10m (in an open area)
Battery Life
5 days:	HUAWEI TruSleep™ is enabled Continuous heart rate monitoring is enabled (Smart mode is enabled by default) Screen is turned on 500 times a day 30 messages a day 2 calls a day 2 alarms a day 7 hours of sleep
7 days:	HUAWEI TruSleep™ is enabled Continuous heart rate monitoring is disabled Screen is turned on 300 times a day 30 messages a day 2 calls a day 2 alarms a day 7 hours of sleep
12 days:	HUAWEI TruSleep™ is disabled Continuous heart rate monitoring is disabled Raise wrist to wake screen is disabled Screen is checked briefly 30 times a day 2 calls a day 2 alarms a day 7 hours of sleep

7 hours of workouts with GPS enabled (able to function during a full marathon)

Data is based on test 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.

• 
  
• Compatible with iOS & Android

Smart Heart Rate Tracking

Thanks to the professional optical devices, processing chips and AI algorithm, the HUAWEI TruSeen™ 3.5 monitors your heart rate accurately and provides intelligent vibration reminders if your heart rate exceeds the heart rate limit.2 While you are sleeping, the device will continue to monitor your sleep while the invisible light causes no distractions.

Get Better Sleep Care

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. Also, this device can identify 6 types of sleep problems and provide scientific recommendations3 for better sleep.

Deep sleep

Light sleep

REM sleep

Awake

08/24
Rise time 07:34

Powerful Built-in GPS:
Leave Your Phone at Home

With built-in GPS, HUAWEI Band 4 Pro provides accurate and fast positioning services to free you from your phone. After completing your outdoors workouts such as running, walking, cycling or open water swimming,4 you can view your GPS data on the map.

Push Yourself:
Indoor / Outdoor Pro Tracking

HUAWEI Band 4 Pro tracks all of your favorite sports activities with multiple sports modes: Indoor / Outdoor Run, Indoor / Outdoor Cycle, Indoor / Outdoor Walk, Free Training, Elliptical and Rower modes, and even Pool / Open Water swimming.

Rowing

Training indoors with a rowing machine can be measured with HUAWEI Band 4 Pro. The onboard sensors and intelligent algorithms are fine tuned to track your workout from start to finish.

Swimming

Thanks to the water resistance of to 50 meters and a 6-axis motion sensor, HUAWEI Band 4 Pro can recognize and record your swimming distance, laps, active calorie burned, speed, stroke count, stroke type and SWOLF.

Download

Download the Health App from HUAWEI AppGallery right now and see how you can start the next chapter in your life.

Install Now

Life Assistant on Your Wrist

Raise your wrist to check the notifications of messages or phone calls. Just a touch, Find Phone, Control Music Playback6 or Remote Shutter7 is at your service. Live an efficient life with HUAWEI Band 4 Pro.