This is the converter that transferred cassette tapes to digital audio files the most faithfully, earning it The Best designation from the Hammacher Schlemmer Institute. A panel of consumers raved that it produced the clearest digital recordings from analog tapes, without the feedback or static that garbled the sound of MP3 files created by lesser devices. The Best model also was the easiest to use, with step-by-step instructions appearing on the screen of a connected PC or Mac running included software. Endowed with the most features of any tested unit, The Best Audio Cassette to MP3 Converter easily saves files to your digital music library for listening on a computer or a portable player such as an iPod. It also connects to stereo speakers or permits listening on the converter itself with the included headphones. Powered by USB with the included cable or requires two AA batteries. 3 1/2" H x 4 1/2" W x 1 1/4" D. (1/2 lb.)