Methods are as follows:
1, open the video
First of all, open the video in Jitterbug and save it to your cell phone album.
2, download the cool sound
Then download and open the cool sound ringtone APP.
3, add the video
After entering the APP, click on the bottom of the "+" sign, select the menu bar "video background sound ".
4, select the video
Then enter the video selection page, select and click set ringtone button.
5, save the ringtone
Finally the ringtone editing will jump to directly set the ringtone on it.