This is a voice keychain in the style of a pendant featuring photos of Itadori and Takada-chan, from the Jujutsu Kaisen The Real 4D attraction at USJ Universal Studios Japan. It is a new, unopened item. It's a newly released product. You can purchase it immediately without commenting. It plays Takada-chan's song "Saikoucho JUMPIN'" and evokes memories that never existed with Brother.