GREENWON Portable Tape to PC Super USB Cassette Capture Cassette-to-MP3 Converter AA Battery or USB-powered operation Consumed Power: ? 400mW Dimension / Weight: 16 14 5cm/ 9.95oz Compatible with Microsoft Windows 97/98SE/2000/ME/XP/Vista/7.0Pacakge include: 1 x USB Cassette Capture 1 x USB cable 1 x Earphones 1 x English Manual