USB Cassette Player: A portable handheld USB tape player compatible with all kinds of tapes. It provides an easytouse USB connection to convert the music on your tapes into MP3 files. Power options: Operates on builtin battery power or USB power when connected to a computer for flexible operation. Line Out: Includes a lineout that lets you listen on your stereo, headphones, or speaker systems for hours of enjoyment. Portable design: Compact and lightweight, fits easily in any bag and enables you to play and transfer music anywhere. Use scenarios: At home, digitize your cassette collection by converting tapes to MP3 files via USB. While traveling, listen through headphones or route audio to a speaker system for group listening. In a casual listening room or studio, connect to a stereo or powered speakers for convenient playback and transfer.