This device vibrates in a way which will turns almost any object into a speaker. Works especially well on cardboard boxes, plastic beverage bottles, and other things which have an element of hollowness (reality television box set containers work very well). Enjoy music anywhere you go and amuse your friends.
Note: this product ships direct from Japan and is intended for the Japanese market. Instruction manuals are in Japanese. However, operation is simple and straightforward and we are available to answer any questions.
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