1、Voice Control: Voice control ambient light built in high sensitivity microphone, the complex rhythm can also keep up with the automatic display of the light block according to the rhythm. 2、Ajustable: 4 levels of brightness, 5 levels of speed and 18 color modes can be adjusted at will, the atmosphere light can tune to your favorite style according to your preference. 3、High Quality Material: RGB music rhythm lamp is made of high quality ABS material, lightweight, portable, sturdy and durable, have a long service time. 4、USB Power Supply: The music level light powered by USB, when plug in a USB cable and the music ambient light will play at same time. 5、Widely Use: Sound reactive light bar is suitable for music lovers as well as electronics lovers, at the same time, and can be used as a pleasant art decoration. Item Type: RGB Light Bar Material: ABSSize: Length Approx. 2cm/0.79in Width Approx. 1.5cm/0.59in Height Approx. 18cm/7.09in Weight: Approx. 80g/2.82oz Power Supply: USB plug in 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 1 x RGB Light Bar 1 x Instructions 1 x USB Cable 1 x Base 1 x Double-Sided Adhesive Tape(4pcs) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.