GRAND VIDEOKE Symphony 2.0 (with Voice Command Function, HD Sound, 5157 Built-in Songs & HD Video Backgrounds) With Voice Command Technology (A First in its Class!) 5,157 Built-in Songs. Enjoy the widest repertoire of Newest Hits, Party Favorites, Duets, 90's, 80's, and All Time Hits for all ages. 2 Dual Professional Wireless Mics. Professional wireless technology. Louder and clearer voice pick-up for effortless singing. Includes 3,303 English songs, 1,813 OPM hits and 41 K-Pop songs. Multimedia Player via USB & SD Card. Enjoy playing your own videos (AVI & MP4 formats), music, photos and recorded songs.