Supports External SD-This App Works Best Only with Headphone *To start sound set the arrow timer-*************************** -The best naturally relaxing sound! -Truly miraculous relaxation that will keep you feeling rejuvenated once more. -Close your eyes, put on a headphone , touch this application, put the device to sleep, and let your relaxation be at ease. -Absolute pure relaxation from authentic sounds, not artificial but real sounds. -These sounds do not loop back and forth, it’s 100% real. *************************** Features: *24 hour Timer *Automatic slideshow *Beautiful Wallpaper *************************** Brain massage will massage all your daily stress and improve: