【Intuitive Operation with Vintage Switcher】: Short press to power on, long press for 3 seconds to power off, and rotate left/right to adjust gain; short press to switch between brightness, sensitivity, and color modes for easy audio visualizer control. 【Clear Mode Indicators】: LEDs for sensitivity adjustment mode, brightness adjustment mode, and backlight color adjustment mode, ensuring precise tuning of the audio pickup light. 【Durable Dual Analog VU Meter Design】: Features a full metal knob for fine visual experience adjustments, with an oversized VU meter and aluminum alloy material for lasting vintage switcher appeal. 【Versatile Color Customization】: Yellow version offers 4 color series with 5 colors each; white version has 7 series with 2-3 colors each; fully adjustable to fit any space for immersive audio visualizer experiences. 【Dynamic Audio Pickup Light】: Built-in pickup light dances gracefully with sound, creating surround motion effects; dual analog VU meter ensures responsive audio pickup light performance in any setting.