Multi-functional USB Starry Sky Lamp has multiple functions (sound-activated + 3 colors + 9 light modes + USB plug + small size + 24 light effects). 9 Light Modes USB Night Light has 9 light modes (blue, red, blue and red combination, blue and red flash simultaneously, red sound-activated, blue sound-activated, red and blue sound-activated, red flashing, blue flashing, blue and red combination flash alternately). Press once to change the light effect. Press seven times to turn it off and press again to turn it on. . Sound-Activated USB Car Light with sound-activated function dances to music. The colors change in sync with the music and even react to clapping, talking, and laughing as long as it is close enough to the light. . 24 Light Effects The upgraded version of the star sky light, the traditional star sky has only one pattern, this star sky light has 8 patterns, and each pattern has 4 light colors. (By rotating the lamp head, the light pattern can be changed at will.)