Produplicator 2 Target CD+G Karaoke Duplicator with 500GB HDD and USB 2.0 Connection Standalone CD+G duplication: NO software or computer required Copies data, audio, karaoke (CD+G), video (VCD), and a majority of other current CD disc formats Burning speeds up to 52x on CD-R: selectable options to burn at 1x, 2x, 4x, 8x... 48x, 52x Collect and edit track(s) from different discs to compile a mix CD (NOT available for CD+G discs) High-Speed USB 2.0 Connection: When connected to a computer using the external connection, one of the optical burner drives on the duplicator becomes activated as an external burner