... or external ac adapter 3.Plug & Play 4.Hot-swapping capability Technical DetailsUSB DVD-RW black, USB2.0 DVDRW drive Specifications:24X CD ... CD Formats: CD Text, CD Extra, CD-DA (audio), CD-I, CD-ROM XA, Photo CD, Video CD, CD-ROM, DVD-Video Supported Media Types: CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD ...