Portable Recording Studio - Universal - Professional USB Pen Digital Audio Recorder(Black) Highlights Universal Professional USB Pen Digital Audio Recorder(Black) Professional Mini USB Pen Digital Audio Voice Recorder MP3 Player Dictaphone | Digital Voice Recorder Features: Recording Indication Sound Control (VOR) Function Available AB Repeating: Repeat a certain part of a music file Delete Function: Delete MP3 music files and voice files stored in the device.You You can choose to delete single file or all files Record and replay recording files Large memory storage space Long time recording Timed recording Music play function Different languages USB connection, easy to upload and download voice files Built-in speaker Low battery indication