... 1. External USB2.0 optical drive. 2. Plug and play. 3. Smallest external DVD/CD-RW in the world. full ... 20 double speeds,2.Built-in Dolby Digital AC-3,2.1 channel output, support WMA, HCD,MP3, ... 4fold zoomed.6.Progressive scanning function,7.Digital album smoothly play, support special effects setting.8.Pull down menu, ... ,DVCD,CD,Smothly reading MP3,MP4,CD-R/W,DVD-R/W,HDCD,Kodak Picture CD,CD-G.13.Multi ...