The Sound Fluid is a music visualization device that does not emit sound. As the rhythm changes, the ferrofluid moves in speed and shape to create a dynamic visual display. This product is not a speaker; it serves as visual art that enhances mood and atmosphere without producing audio. Key benefits Visualizes music without audio: provides a silent, evolving display that complements listening environments. Enhances ambience in any space: suitable for living rooms, studios, galleries, or small venues. materials: ABS plastic housing, clarity glass, nano iron powder, and nonpure water. Wireless illumination: white LED backlight operates with an internal battery, offering up to 8 hours of use per charge. Consistent performance: rhythmdriven motion delivers a striking, repeatable visual effect. Materials and performance Construction: ABS plastic, clarity glass, nano iron powder, nonpure water. Backlight: white LED backlight, wireless operation, internal battery. Battery life: up to 8 hours on a single charge. Size and compatibility Dimensions: not specified in the available information. Compatibility: not a speaker; designed for visual music visualization rather than audio output. Use scenarios Home environment: place in a living room or bedroom to gently accompany music or ambient sound for a visually engaging experience. Studio or showroom: use as a quiet, dynamic backdrop in a creative or commercial space to enhance atmosphere without adding noise. Photo or video shoots: employ as a visually interesting background element to enrich visuals with rhythmic motion and light.