By microphone pickup (Sound Control). Aluminum alloy integrated molding housing. Mono 32 segment widening lights to ensure adequate dynamic range and fine enough. Exclusive custom widening lights strip. (There are no similar lights in the market). The rising speed and the falling speed of the light bar, the holding time and the falling speed of the peak can be adjusted separately. Microphone sensitivity can be adjusted 30 levels. The reaction speed of AGC can be adjusted 30 levels. Super wide range of AGC adaptive algorithm to ensure the best effect. Single button operation Material: ABS + electronic components color: gray Size: 181*16*18.5mm Features: Built-in highly sensitive microphone (voice control) 32 colorful lamp beads No less than 8 display modes 4 levels of brightness adjustable 5-level speed adjustable 18 color modes adjustable Comes with AGC automatic gain control Exclusive intelligent de-noising algorithm, can be used in noisy environment Product parameters: Input voltage: >DC 5V 1A Input interface: MicroUSB Frequency response: 50-16KHZ Dimensions (length, width and height): 181*16*18.5mm Net weight: 86g Optical characteristics (wavelength): Red: 620-625nm Green: 520-525nm Blue: 460-470nm Optical characteristics (brightness) Red: 450-550mcd Green: 1300-1500mcd Blue: 350-400mcd Instructions: MODE/SPEED key: Short press to turn white-select mode; long press to turn red-select 5 speeds COLOR/BRIGHT key: Short press to turn white-select color; long press to turn green-select 4 levels of brightness Press two keys at the same time: Press at the same time to turn blue-to learn the environmental noise spectrum Press and hold COLOR at the same time when power on: enter gain setting mode Power on (battery model only): Press the COLOR key after power off Shut down (battery model only): keep face down for 3 seconds Packing list ： 1x RGB Light 1x Plastic base 4x Transparent double-sided tape 1x Micro-US