MicroKY KHM500 Duostar Wireless Karaoke System No software, DVDs or CDs are needed, just plug into any television with RCA input to get started! Sleek and compact design Plays MP3 and video files from any USB flash drive. Real time scoring  scores display as a song is being sung Customize the Karaoke and MP3 backgrounds with your own images and video files saved on a USB flash drive