?? Customize Your Clock -- Equipped with high-precision DS3231 clock chip, you can set different color gradation. More functions: alarm clock, voice control, automatically adjust brightness, countdown and ect.. ?? Music Spectrum -- Compatible with different music playback devices. Equipped with premium MAX9814 microphone amplification module to capture subtle audio, colletcting sound wirelessly and show spectrum. ?? Children DIY LED Patterns -- You can use 2 or more module to make it into an electronic drawing board for children, provoking their imagination. Each square can be set into 17 different colors. ?? 6 Aurora Gradient Effects -- Make color gradients and LED breathing effects. Each individually controlled large square color LED. ?? LED Random Color Squares: Each LED square can be set automatically changes random colors, 30 LED squares are combined into thousands of color squares, bringing you colorful DIY production.