Connecting your smart phone, tablet, or compatible device to your car's cassette deck, this Car Cassette Converter turns an outdated music system into a modern audio receiver—letting you stream your favorite stored music. Its 3.5 mm AUX cable plug fits front- and side-loading auto or home cassette players, allowing easy connectivity so you can enjoy your favorite tunes anywhere. Simply plug the 3.5 mm connector into your phone or device and insert the cassette adaptor into the cassette player like you would an ordinary cassette tape. 3.5 mm tape AUX cord is 3 ft. long.