Recorder Plus support playing back at various speed(0.5x, 1.5x, 2x).
By tapping on the speed button, you can change the playback speed. (Figure 1-1)
Also you can playback with customized speed:
Long press on the speed button, then release, you will get the speed menu, select “Customize” to customize playback speed. (Figure 1-2)
To get rid of the customized speed from the menu, Tap “Customize”->”Reset”->”OK”