Jvc nivico tv, circa 1970 tv videosphere model

Tv jvc nivico, circa 1970 tv headphone model videosphere 3240 plastic abs, the device can be hung by its chain or deposited on its base, black and white. Designer: nivico (yokohama plant victor compay of japan ltd) Edited by jvc, japan. Dimensions: base 19 X 19 cm high.: 33. The screen lights up (snow) but I did not try to plug it in. There is a sparkle on the screen (left side).