open a song.

click the double speed in the lower right corner.

just check the rhythm flash.

If you want to start the "rhythm flash" mode, you need to search in the software to find the songs you are interested in, and then click to enter the music playing page.

Next, by playing the "double speed" function in the lower right corner of the page, you can successfully arouse the window to find the "rhythm flash" function, and then click the button on the right to open it.

after that, if the song is played, the flash of the mobile phone will flash off with the rhythm, and the flash speed can be affected by adjusting the double-speed playback progress bar below!