Product Description Parts List: 1USB Cable 1Plasma Ball Light Detailed description: Product Name: Plasma Ball Light How to Use: 1. Connect the device to a power source. 2. Turn on the switch, select TOUCH/AUDIO mode, touch sensitivity mode: slide the switch to "ON" position to activate the ball, the plasma ball will start to emit electric waves. Place your finger on the surface of the ball to guide the light. Audio Sensitivity Mode: Slide the switch to the "Audio" position to activate Audio mode. The colored plasma rays will respond and sync with loud music (60 decibels or higher). Product material: ABS base + glass sphere Self-equipped adapter can be used to convert the power supply mode Product Size (Optional): 4 inches: bulb diameter: 10 CM; product size 121219 CM 6 inches: bulb diameter: 14 CM; product size 121223 CM Style (Optional): Style 01: 4 inch Style 02: 6 inch