Sound ActivationBuilt-in sound sensor, Ultra-mini size but super bright. The smart voice activation sensor is embedded, and the LED atmosphere light capture nearby sounds or music and change a variety of color or speed with the rhythm of music.<br> DC 5V, 4WOur mini disco ball lights use DC 5V power input, you can plug it into any USB power source, such as cell phones/car/ power bank / Macbook/ PC or any other USB output Port device.<br> Energy EfficientThe working hour of this LED strobe light is up to 20,000 hours with lower power consumption.<br> Variety of Occasionssuitable for family gatherings, outdoor activities, KTV boxes,car atmosphere, children's birthday.<br> What You Get4 x Mini USB Disco Light, Includes 3 kinds of adapters.<br> Specification:<br> Voltage: DC 5V<br> Power: 4W<br> Flash Range:50-10m<br> Colors: Mixed, RGB<br> Product weight: 28.5g<br> Plug and play<br> Package size: 45*45*45mm<br> Package Include:<br> 4 x Mini USB Disco Lights<br> Includes 3 kinds of adapters