Battery Powered: Includes built-in battery, after charging 1 hour can enjoy 4-5 hours. The mini disco light is perfect for bedrooms, cars or a party effect where power can't access. Suitable for children's birthday gift toys Sound activated 3 colors: red, blue and green, or all colors together. This stage light can automatically change different colors with the rhythm of the music and sound volume Portable and easy to use: Really light and small. Perfect for bringing disco party atmosphere everywhere - lights spinning around. It is easy to install in the car, on the ceiling or stand on a table USB Charging: Charge it with USB adapter, power, laptop or USB car charger. convinent charging anytime and anywhere Suitable for: Perfect for dance party, birthday party, disco party, pajama party, outdoor party, pool party and holiday, wedding, Christmas, karaoke, DJ, Halloween, or decorate kids room, festival parties