1.External slim DVDRW Drive 2.Powered by USB or external ac adapter 3.Plug & Play 4.Hot-swapping capability Technical DetailsUSB DVD-RW black, USB2.0 DVDRW drive Specifications:24X CD-ROM, 24X CD-R, 16X CD-RW, 8X DVD-ROM, 8X DVD+R 8X DVD-R, 4X DVD+RW, 4X DVD-RW, 2.4X Double layer Buffer Size: 2 MB, Supported CD Formats: CD Text, CD Extra, CD-DA (audio), CD-I, CD-ROM XA, Photo CD, Video CD, CD-ROM ...