Leadsinger LS-3700 Karaoke System with 300 Songs All-in-the-microphone karaoke system is highly portable Built-in video processor transmits highlighted lyrics and full-color graphics by connecting to virtually any TV through an RCA connection The audio may also be played through an FM radio. 300-song selection includes popular, contemporary, traditional, holiday and children's songs Keypad allows the user to adjust volume, key pitch, echo, musical instrument/melody guide, and tempo Thousands of additional songs available on MusicKartridges (sold separately)