Transcend Portable DVD Writer – Black. Product colour: Black. Optical drive type: DVD±R/RW, Interface: USB 2.0, Disc types supported: CD-R,CD-RW,DVD+R,DVD+RW,DVD-RAM,DVD-RW DL. Width: 13.9 mm, Depth: 142.8 mm, Height: 148 mm. Dimensions (WxDxH): 148 x 142.8 x 13.9 mm, Number of optical discs: 1 discs