External USB 2.0 DVD Burner For Toshiba Satellite M505D-S4000 M505-S4020 T115D-S1120 T115D-S1125 T135-S1305 T135-S1305RD T135-S1330 U505-S2005 Powered by USB or external ac adapter Plug & Play, travel easily Disk Load Type: Tray External for portability DVD Burner