Power options and compatibility Power options: dry battery or USB power (USB 2.0). Flexible use at home, in the studio, or on the go. USB 2.0 interface for easy connection to computers and peripherals. Convert tapes to MP3 Tape to MP3 conversion: Quickly digitize cassette tapes into MP3 format via a USB connection. Laptop compatibility: Also suitable for use with laptop CD burners and other USBequipped devices. Clear sound quality fidelity conversion: Clean, clear sound quality when converting recording tapes to MP3 in a quiet environment. Preservation of old recordings: Designed to preserve audio quality even from older tapes. Plug and play and portable use Plug and play: Easy setup with no complex configuration. Compact design: Small, lightweight footprint that doubles as a portable tape recorder. Headphone compatibility: Works with standard headphones for private listening. Use scenarios Home digitization: Convert your cassette library to MP3 at home for easy streaming and backup. Archival projects: Preserve and back up archival tapes by transferring to digital MP3 files on a computer. Onthego listening and recording: Use the device as a compact tape recorder with USB power or battery, and enjoy private listening with standard headphones.