... , remote controller, or barcode scanner conveniently.Main features:Built-in full-functioned karaoke player and LCD screen.Compact form design ... screen on LCD screen, so customers can select songs by fingerBuilt-in 16x DVD drive, used to add songs, and can ... or stereo outputDual microphone input adapter and built-in Echo-Delay function select songs by index, title, artist, language, category, number ...