The watch works on Android phones and iPhones.
Huawei Band 4 watch is water resistant to 50 meters only.
The watch lasts for 9 days if you do not activate the pulse sensor and the screen will automatically turn off if you raise it to the top.
If everything is turned on in the watch, it will last for 6 days at most.
Supports 9 different walking modes such as: walking, running, cycling..etc.
The watch tracks the number of hours you sleep with TrueSleep 2.0 technology and also tracks your heart rate when you are asleep.
Huawei Band 4 also supports Night Mode to rest your eyes.
Notifications are displayed on the watch, whether by calls or messages.
Screen type and resolution are low.
The Huawei Band 4 watch is charged in an hour and a half.
Honor 5 and Mi Band 4