The ZipSpin CD/DVD Disc Duplicator C-121-Pro is an external drive designed for use with a PC. It features dual drives for duplicating discs, standalone operation, and a write speed of 22x. The duplicator is compatible with various readable and writable formats such as DVD-R, DVD+R, CD-R, and DVD-ROM. With a sleek black design and two bays, this CD/DVD duplicator is a convenient and efficient tool for duplicating your favorite music, movies, and more. Made in Taiwan, this model is reliable and user-friendly for all your duplication needs.