CDs & DVDs remain among the most commonly used media types, however, more & more laptop manufacturers are choosing to leave optical drives out of their newer models. This external slimline CD / DVD writer offers laptop users a solution.Weighing a mere 12 ounces, this slim lightweight external CD / DVD burner fits easily in a laptop bag & allows users to read / write CDs & DVDs. The drive draws power from a USB port on your notebook or ultrabook. Writing Speed: DVD 8x; CD 24x; Technology Supported: CD-R; CD-RW; DVD-R / DVD+R; DVD-R / DVD-R Double Layer; DVD-RW; DVD-ROM; miniDVD; Connector / Port / Interface: USB 2.0; Operating System Compatibility: Mac OS x 10.6 & Later; Windows XP, Vista, 7 & Later.