A plasma ball is a vacuumed glass ball with inert gasses inside. An alternating current, at relatively high voltages, is pumped into the sphere via an electrode in the center. This energy causes electrons to be stripped from the gasses. The arcs will congregate to and follow your touch while your finger touches the glass.
Allows USB2.0 / USB 1.1 / USB 1.0, can connect with 480/12Mbps and 1.5Mbps products
Currents of plasma ball are low-power which would be harmless to humans
Static electricity accumulates on the surface of the plasma ball is a normal phenomenon
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