The Pokémon Company has announced the full details of the pre-order bonuses for Pokkén Tournament DX in Pokémon Center stores in Japan. In addition to this, customers will receive a clear file with the game’s artwork, three cards showing the burst attacks of Pikachu, Mewtwo and Decidueye, three badges of the player characters and Nia, and a small bonus soundtrack CD that contains four pieces of the game’s soundtrack, with two additional ones being downloadable for free from the official Pokémon Center website on September 16, 2017.
Source: Serebii
Pokémon Blog 