A simple and easy way to connect the car speakers to my phone. Very similar to the cassette that has an earphone lead but this uses Bluetooth connection to your phone.
The lead that dangles from it is fast forward/skip track or to answer your phone. Certainly with my radio is designed the cassette can remain connected to the power cord which means I don’t need to remove it to recharge it.
A handy inexpensive gadget that is easy to use and does not detract from the classic looks of the car.