Bluetooth Music Starry Sky ProjectorOverview: The lighting range is large, and external sound can be connected. When used as a small computer speaker, the four color water pattern light is a combination of red and green lasers. The water pattern has four colors of red, white, blue and green. The laser is red + green. Pattern color, water pattern speed, water pattern mode, Bluetooth mode, water pattern single control, laser single control, brightness, music control, sound control,