This magic plasma ball lamp uses a sphere filled with inert gas to generate colorful streams of electricity that are exciting and eye-catching. It's perfect for generate science enthusiasts, It’s perfect for parties and raves, decoration, or every day entertainment. How to use: 1. Connect the included USB Cable to the Plasma ball. and Power the plasma ball on USB interface power receiving equipment 2. Then choose to activate the plasma with below two modes Touch Sensitive Mode: Slide the switch to the middle position to activate the ball, the plasma ball will begin emitting waves of electricity. You guide the sparks by moving your fingers on the ball Audio Control Mode: Slide the switch to the right position to activate the AUDIO mode. Beautiful sparks will undulate in sync with loud music (80 decibels or greater). However, Under this mode. it may not response to the touch on the soda-lime glass. Cautions: . Only A plasma ball and a usb cable are included in the package, no adapter. .The plasma ball is powered by the included USB Cable ( the length of the usb cable is about 4.26ft), and battery is not supported to power the plasma ball .The base is made of plastic, However, the Material of the ball part is soda-lime glass. .Avoid beating the glass ball with any hard articles or splashing water on the product. .keep the product 20-30 inches from any microelectronic facilities such as sound, computer, fax and so on, to prevent any interference. Package Contents 1* Gresus Plasma Ball 1* USB Cable