The ArmorAll Bluetooth® audio cassette adapter is a Bluetooth® music receiver and it turns your car's cassette deck into a wireless music player. You can stream music from any Bluetooth® music player or phone. Simply plug in the cord and press play. Adapter Features Play/answer calls on your mobile device from cassette deck No installation needed, just plug in cord and press play Allows hands free conversations through car speakers Lightweight, portable design stores easily when not in use