These cassette tapes from Radio Shack are the perfect addition to any collection of vintage telephones and electronics. With a recording time of endless loop, it is a reliable and unique way to answer calls.

One of the tapes is on a 90 second or a minute and a half loop and the other two tapes are on a 60 second or minute loop.

The tapes have not been modified and is in its original state, manufactured in Japan. The unit quantity is three, making it a rare find for collectors.

Its time period of manufacture is from 1970 to now, adding to its value as a piece of history. Get your hands on this one-of-a-kind item today.