Huawei Band 4 User Manual

4 Health and fitness
4.1 Measuring heart rate
4.2 Sleep tracking
测量单次血氧饱和度
4.3 Activity reminder
4.1 Measuring heart rate
Measuring your heart rate manually
1. Keep your arm still and make sure your band is on correctly.
2. Swipe up or down on the home screen until you find Heart rate.
3. Tap it to start measuring your heart rate, and check your current heart rate.
4. Each measurement takes around 45 seconds, and the displayed heart rate is updated
every 3 seconds.
5. During the measuring, you can press the Home key or swipe right on the screen to stop it
from measuring.
An error message will pop up when you do not wear your band or wear it incorrectly.
l To ensure the accuracy of heart rate measurements, wear the band properly and make sure the
strap is fastened securely.Check that the band body is in direct contact with your skin.
l Stay as still as possible during the measurement.
l The heart rate data from manual measurements will not be synced to the Huawei Health app.
l The measurement will be interrupted if you swipe right on the band screen, receive an
incoming call, or an alarm goes off.
Heart rate measurement during a workout
Your band displays your real-time heart rate during a workout.
After you start a workout, swipe on the band screen to check your heart rate and heart rate
zone. The heart rate displayed is updated every 5 seconds.
HONOR Band 5i
User Guide
4 Health and fitness
Issue 01 (2019-10-23) Copyright © Huawei Technologies Co., Ltd. 24

Huawei Band 4 Specifications

General

Band color	Pink
Color name	Sakura Pink
Waterproof	Yes
Device type	Wristband activity tracker
Form factor	Rectangle
Closure type	Single prong strap buckle
Control type	Buttons, Touch
Band material	Silicone
Product color	Black
Housing material	Plastic
Water resistance	5 ATM
Maximum strap length	123 mm
Minimum strap length	85 mm
Display type	TFT
ROM capacity	1 MB
Processor model	Apollo 3
Display diagonal	0.96 \
Display resolution	80 x 160 pixels
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
Position location	No
Heart rate sensor type	Optical
Battery life	9 day(s)
Charging time	1.5 h
Charging source	USB
Battery capacity	91 mAh
Operating temperature (T-T)	-10 - 45 °C
Bluetooth version	4.2
Brand compatibility	Any brand
Connectivity technology	Wireless
Number of bands included	1

Weight and Dimensions

Width	18.5 mm
Weight	24 g
Thickness	12.5 mm