Convert Your Cassette Tapes To Digital MP3 or CD with the Cassette2USB Converter Works with Your Computer's USB Port - No External Power Needed Includes Cassette2CD Wizard 2.0 Software for Recording, Editing, & Burning (Windows-only; Mac-equivalent software included) Cassette2USB Converter - PC & Mac Compatible. (For Mac: Audacity recording software included) 1-Year Warranty & Tech Support From ClearClick, a USA Based Small Business. Any Questions or Problems?