Explanation:
MI Band 4 can control the music playing of mobile phone (the music player of mobile phone should be in the playing state: open the music player of mobile phone, start to play music, click More, and select music to enter the music control interface). In the top
is the volume area, click the button on the left to lower the volume, click the button on the right to increase the volume, and the red in the middle is the schematic diagram of volume. Click

can stop/start playing music, red ring for the current music playing progress.In the bottom
is the music switching area, click the button on the left to switch to the previous song, and click the button on the right to switch to the next song.
Notes:
1.This function can only be used after the mobile phone starts playing music and keeps running in the background.In order to avoid the one-key cleaning memory in android system and some housekeeping software may clean up the process or block, please set it in the Mi Fit App of "My" - "Mi Band 4" - "Background running" .
2. Open the notification of read permission on the App side, and then the band can obtain the song information.Please enable this permission on My -- Mi Band 4 -- App notification and reminder.