If you click 'Like' you could get some more.
https://www.facebook.com/tcaudio-1675376162680094

: : 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)

: : Use and Application
- Music Listening and Learning (Guitar Copy etc.)
- Study of Language (Audio Script Listening Study of Foreign Language)


======== English(Google Translate) ========

AB repeatspeed controlPitch transpositiontranspose

AB repeat playback speed pitch control music player audio player

: : function
- Playback speed control (speed playback music speed control)
- AB repeat playback and loop playback random playback
- Ability to change the pitch (transpose function)
- File search (interval jumps)
- Bass Boost (bass emphasis)
- Manage Files folder
- Tag file management (create playlists favorites specify)
- Audio files search

: Use and purpose
- Music study and music (music play copies and other copy etc. for music lovers and musicians)
- Language study (for audio scripts students and the general public such as foreign language learning foreign language learning)