Description: Material: PlasticColor: As the picture showsThe base produces high frequency electromagnetic waves that cause the gases to turn into plasma.If you touch the ball， the lightning bolts will combine into a strong beam and follow the movement of your finger.Clap hands to it and watch the pattern of the sound reflected in its striking pulsations.Perfect decoration for homes， parties， cafe， bars， restaurants， exhibitions and so on.Powered by PC USB port.A great gift for your friendsSize: 4 inch Quantity:1PcNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!Warning! This product contains glass， which may cause injury if broken. It is recommended to inspect the plasma ball carefully before each use. If any sign ofdefects， or breakage， discontinue to use and dispose of immediately. Packaging: 1 x USB Plasma light Ball1 x USB Cable