The sound system physically decomposes the existing music, splitting the complete music into accompaniment and lyrics. The user can listen to the accompaniment alone or just the song, or listen to the whole music. The sound adopts modular design, three parts are connected by electromagnetic induction inductive charging. It can be disassembled into three modules to facilitate users to experience the three-dimensional surround function. When used, the user converts the sound into tactile blocks to enjoy the experience of building blocks, which makes the user's experience pleasant.