MP3 music magic ball. Exquisite crystal ball appearance, transparent lampshade  Supports SD cards, USB disks and other devices via a USB cable, such as MP3, MP4 player, etc. (This item is supplied with a USB disk.) It can play music in those devices immediately when you insert SD cards, USB disks or MP3, MP4 players into this magic ball. With a remote control. You can easily use it to select songs, adjust music volume, etc. Rotating speed controlling: strobe effects are controlled by voice. It can change its flicker frequency along with the rhythm of music. LED light color: red, green and blue, create the stage lighting. Long service lifetime, low heat and power consumption. High brightness and comfortable lighting effects. Suitable for KTV, dance room, bar, stage, club, home decoration, party, etc.