Product Features:Material: ABSLight Source: LEDSize: 32 LED: 18*1.5*1.8cmPower supply: 5V USBSoftware support: environmental noise filtering, firmware updateBuilt-in highly sensitive microphone (voice control)32/40 colorful lamp beadsNo less than 8 display modes4 levels of brightness adjustable5-level speed adjustable18 color modes adjustableComes with AGC automatic gain controlExclusive intelligent de-noising algorithm, can be used in noisy environmentInstructions:MODE/SPEED key: Short press to turn white-select mode; long press to turn red-select 5 speedsCOLOR/BRIGHT key: Short press to turn white-select color; long press to turn green-select 4 levels of brightnessPress two keys at the same time: Press at the same time to turn blue-to learn the environmental noise spectrumPress and hold COLOR at the same time when power on: enter gain setting modePower on (battery model only): Press the COLOR key after power offShut down (battery model only): keep face down for 3 secondsPackage Included:1x RGB Light1x Plastic base4x Transparent double-sided tape1x Micro-USB power cord1X manual