The Maxell MAX648250 CD-Rs are compatible with a wide range of CD writers, from 2X to 48X speed, and can store up to 700MB or 80 minutes of data. They are ideal for various applications, including storage, data exchange, multimedia projects, and jukebox/duplicator use. The CDs are designed to minimize sound distortions such as pops and crackles, ensuring a high-quality listening experience. These archival-quality CDs are built to last for many years when stored correctly. They have ample storage capacity for data files, audio/video content, and images, with a runtime of up to 80 minutes. They are compatible with almost all CD/DVD players, recorders, and voice recorders. The package contains 50 top-of-the-line CD-R discs that cannot be rewritten.