Generic USB Portable Cassette Player with Headphones Compatible with Windows XP, Vista and Windows 7, mac older than version 10.5 Built-in battery/USB-powered operation,3.5mm earphone jack Audio output enables you to listen on your headphones, or other speaker system Convert your old mix tapes and cassette to MP3 to Playback on iPod/MP3 player or burn to CD Convenient and poratable:Small size, can play and convert anywhere