The Sony Discman Portable External CD-ROM Drive PRD-650 is a compact and versatile external drive designed for on-the-go use. With its 5.25-inch form factor and sleek black color, this drive is perfect for adding a CD-ROM capability to a portable device or computer. The drive is compatible with CD-R and CD-ROM formats and comes with a battery case for added convenience. Made in Japan, this Sony Discman model PRD-650 is a reliable and high-quality product for all your CD and CD-ROM needs.