Wmicro LED Music Stage Lighting Control Mode MP3 control Xmas Christmas Festival Lights Lighting (Shipped From U.S.) All this wonder and beauty of the night sky happen in your room! MP3 crystal stage ball with U disk and remote control, can automatically select songs for the integration of audio and lighting, easy to use You can change music volume and songs with remote control. Also with adjustment buttons on the panel, SD card and USB interfaces are available Light effects and various light pictures, bright outlook and energy saving. This ball light has only one speed if there is no music. After you plug your MP3 or SD card in it, you can control the voice of the music via control panel or remote. Please pay attention that, the remote only for controlling the MP3, not the ball light itself. If there is any question for the usage, please feel free to email us first.