RBG Audio Spectrum Indicator uses an aluminum alloy one-time molding shell, with 32 colorful lamp beads inside, with a special MIC for music and a 32-bit ARM processor with a main frequency of 72M.Realize the dynamic expression of music and human voice. USB 5V plug and play. 【32-bit ARM Processor】 - Compared with traditional sound-controlled lights, this sound-controlled light has 32 built-in dazzling light beads, with a music-specific MIC and a 32-bit ARM processor with a main frequency of 72M. Realize the dynamic embodiment of music and sound field, giving you a dynamic decorative beauty. 【With AGC Automatic Gain Control】 - Built-in high sensitive microphone (voice control), no less than 8 display modes. 4 levels of brightness, 5 levels of speed, and 18 color modes can be adjusted at will, you can tune it to your favorite style according to your preference. With an intelligent noise-canceling algorithm, it can be used in a noisy environment.【ARTISTIC DESIGN & PREMIUM QUALITY】-The indicator bar is covered by High-quality ABS plastic material one-time molding case. Simply but strong. A great gift for music lovers, designers, and marketers.【RELAXING & INSPIRING】-You can place it on your office desk, bedside table or in your car to create a relaxing and inspiring atmosphere. By activating the environment, it helps to relieve your pressure and trigger your idea.How to Use：MODE/SPEED key: short press to turn white - select mode; long press to turn red - select 5-speed levels. COLOR/BRIGHT key: short press to turn white - Select color; long press to green - select 4 levels of brightness. Double key pressed at the same time: press at the same time to turn blue - to learn the ambient noise spectrum. Press and hold COLOR at the same time while powering on: Enter gain setting modeSpecificationPower/upgrade interface: Micro-usbInput requirements: 5V/1A (no more than 5V voltage)Output power: 5WProduct size: 181*20*15mmNet weight: 86gAppearance material: Anodized Aluminum-Body MoldingSoftware support: Environmental noise filtering, Firmware update Package Included:1 x Host1 x Micro-USB power cord (1.2m)1 x Manual