A program can control your MiBand on computer.
1. Control your computer's media playing.
2. Control your computer's volumn.
3. Transfer your QQ(twitter/facebook/telegram/email/etc.)'s message from your computer to your band.
4. Unlock your computer system.
5. etc.
QQ:2836365231
EMAIL:2836365231@qq.com
Or you can submit an issue.
Open it with Visual Studio.
PLEASE CONFIRM THAT YOUR SYSTEM IS WINDOWS 10!!!
Then fix a WINDOWS 10 SDK LIBRARY PATH.
Run the project.
Please see https://github.com/satcar77/miband4