Lightahead Bluetooth MP3 Crystal Magic Ball - 6 Color Rotating Strobe Disco Stage LED RGB Ball Light with Remote Control (Black) The Lightahead Bluetooth MP3 Crystal Magic Ball creates kaleidoscopic patterns with sound activation. Connect your favorite device wirelessly using Bluetooth connectivity. You can also play music stored on a USB flash drive. No assembly required. Simply Plug & Play. Input Voltage: 90V - 240V. Light Power: 20W Comes with Lightaheads Guarantee of Satisfaction