If you 'Follow', you could get some more. https://www.instagram.com/toughcookie.co.kr : : Product Function - Playback Speed Control (Play Speed Change, Music Speed Change) - Repeat and Loop Play, Shuffle Play (Random Play) - Pitch Alteration (Transposition by Semitone) - Seek (Skip and Jump to Position and Playback Navigation) - Bass Boost (Bass Booster on / off) - Audio File Folder Browser (Audio File Scanner) - Favorite Playlist (to keep Tag File List) - Audio File Search (like mp3 file) : :