GOESWELL 3W DC5V USB LED Portable Stage Light Auto Rotating Bulb with USB Interface Automatically rotating, with the stage lighting effects Long service life, low heat and power consumption, environment friendly. Three color of strobe effects: red, green and blue Convenient power supply: computers, power banks, vehicle powers, all with USB interface. Wide application range: can be used in bars, hotels, DJs, dancing halls, night shops, family parties, holiday lamps, etc.