FEATURES SPEED UP YOUR VIDEO - Provide a variety of variable speed templates - Add and remove points to adjust the speed - Edit video speed up 10x faster or Slower ADD MUSIC ON VIDEO - Contains different styles of music - Add background music from app or iTunes ADJUST THE VOLUME OF THE VIDEO - Quickly adjust the volume of your original video SHARE WITH FRIEND - You can share on Facebook, Instagram, inShot, GoPro, YouTube, Twitter If you have any questions or suggestions, please feel free to contact us in the app.