Plays All Formats: The portable CD player is easy to use and plays music CDs, CD obooks, kids CDs, CD-R, and CD-RW. NOTE: MP3 CDs are not supported. The deluxe personal CD player is a compact mini CD player ideal for listening to obooks on CD. Interface type: USB 3.0. Installation method: non-drive type (not compatible with WINDOWS 98SE). Dimensions: Length 15.2 cm, Width 14.5 cm, Height 1.8 cm. Disk reading speed: maximum CD reading speed 24X, maximum DVD reading speed 8X. Recording speed: maximum CD recording speed 24X, maximum DVD recording speed 8X. Supported installation systems: XP, Windows 7, Windows 8, and later versions. Compatible operating systems: Windows 98/ME/2000/XP, Vista, Windows 7, Windows 8, Mac OS 8.6 and above. Suitable for use with notebook computers, mobile PCs, and compatible desktop PCs. Recording speeds: DVD-R: 8X; DVD-RW: 4X; DVD+R: 8X; DVD+RW: 4X; DVD+DL (D9): 4X; DVD-DL: 4X; CD-R: 24X; CD-RW: 16X. Reading speeds: DVD-R: 8X; DVD-RW: 6X; DVD+R: 8X; DVD+RW: 6X; CD-RW: 16X; CD-ROM: 24X. Supports reading of DVD-RAM.