Hidden radio - the easiest gadget

"Covert Radio" developed by designer Yohn Van Den Nivenheyzen (John Van Den Nieuwenhuizen). To enable it, as well as the need to control the volume up / down the upper part of the radio, to search for radio stations - to twist the top. We can assume that this is the easiest gadget.

Source: www.hiddenradio.johnvdn.com


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