AudioStream AS-34 DVD Karaoke Creator (Discontinued by Manufacturer) Karaoke interface fits between your DVD player and your TV to blend microphone feeds with audio from karaoke discs (1 DVD supplied) Operated with AC adapter or 9V alkaline battery (not included) for portable use Adjustable echo effect enhances singing Two microphone inputs with independent volume controls allows freedom and flexibility for each singer; 1 mic included Self-illuminated translucent body