"Package Includes: Includes a color-changing LED sign with acrylic backplate, 59"" USB cable with brightness buttons, chain, screws, plugs.Premium Materials: Handmade with flexible silicon LED strips and thickened acrylic, it ensures zero harmful emissions, overheating, or noise.Customizable Brightness: Six adjustable levels (10%-100%) via ""+"" and ""-"" buttons allow personalized lighting. From subtle glow to vibrant illumination, it adapts to moods, settings, or events like parties or quiet listening sessions.Installation & Precautions: Pre-drilled holes and included chain/screws enable easy wall hanging. Note: Avoid phone charger plugs to prevent damage; use compatible USB sources.Design & Atmosphere: Colorful, mysterious lighting creates an immersive ambiance for classical music lovers. ARLINENS"