XKTtsueercrr USB External CD-RW DVD-RW Combo Drive Type : DVDRW (R DL) / DVD-RAM Optical Storage Burner Interface : Plug and Play, Hi-Speed USB 2.0, 1.1 standard (Downward compatible) Supported CD Formats : CD Text, CD Extra,CD-DA (audio), CD-I, CD-ROM XA Supported Media Types : CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R, DVD+R DL, DVD-R DL System Requirement : Windows 98SE/2000/ME/XP/Vista/ Windows 7. Note: it's not compatible with MAC.