Jun 'an Outward Bound Training app can click on the speed fast forward next to the video progress bar. There is a speed next to the progress bar in the video playback interface of Jun 'an Outward Bound Training app. After you click on it, there is 0.5x, 1x 1.5x, which is his playback speed. If you want to fast forward, you can choose double speed. Therefore, Jun 'an Outward Bound Training app can click on the speed fast forward next to the video progress bar.