High quality materials and construction - Built with ABS plastic, high-clarity glass, nano iron powder, and non-pure water to form a durable ferrofluid display enclosure. Music visualization that adapts to rhythm - The Sound Fluid provides a music visualization. As the rhythm changes, the ferrofluid moves at different speeds and shapes, creating a dynamic visual display. This is a visual art piece and does not emit sound. Wireless LED backlight with long-lasting battery - White LED backlight runs wirelessly from an internal battery, delivering up to 8 hours of use per charge. Compact design for versatile placement - Desktop-friendly size and form factor suitable for desks, shelves, or display areas. 2-3 practical use scenarios - Living room or bedroom decor: place on a table or shelf to add ambient motion and lighting while listening to music or watching content. - Creative workspace or studio: use as a silent visual focal point during video calls, music production, or livestreams. - Events or galleries: display as a motion art piece that responds to ambient music to enhance atmosphere without adding noise. Notes - This product is not a speaker and does not produce sound on its own.