... 2, plasma ball light amazing 3,usb magic ball 4,magic plasma ball ionic ball ball,plasma lamp,ionic ball magic ball,plasma lamp,ionic ... base.Powered directly by a USB portTouch the ball, the light will gather to kiss your fingertips. size:3inch,4"5 ... 3.94" W X 3.94" L material: ABS+glassThe plasma light will create a unique environment on your desk or work ...