Drive free, suit for any operation system.
Plug and play
With on/off switch on the base.
Powered directly by a USB port
Touch the ball, the light will gather to kiss your fingertips.

size:3inch,4"
5.25"H x 4"W x 4" L
5.16"H x 3.94" W X 3.94" L

material: ABS+glass
The plasma light will create a unique environment on your desk or work station. This device is powered a 4 foot USB cord and is MAC and Windows compatible.
plasma ball fire supplier from china