TJ MEDIA Co., Ltd. engages in the business of karaoke machines, music content, electronic indexes, sound source integrated circuits (IC), and entertainment. It operates through the following divisions: Karaoke Equipment, Semi-Periodic Music Content, Online Platform Music Content, Electronic Table of Contents, Sound Source IC, and Entertainment. The Karaoke Equipment division provides karaoke machines, microphones, and peripheral devices for businesses, home, and others. The Semi-Periodic Music Content division offers karaoke music content. The Online Platform Music Content division deals with development and service of wired and wireless TV karaoke solutions. The Electronic Table of Contents division offers electronic table of contents, battery, and charger. The Sound Source IC division produces sound chips. The Entertainment division operates an entertainment management agency. The company was founded on April 18, 1991 and is headquartered in Seoul, South Korea.