We have always used those cheap cassette adapters to play music from our phones to the car speakers. They don't cost much but only last a few months before needing replacements. With this Lobkin Wireless In-Car Bluetooth Transmitter those days are gone! Simply plug the adapter into your cigarette lighter, match the radio station displayed on the device (or search for one that is not a local station), connect your bluetooth and you are good to go! Adapter has not 1 but 2 USB ports to charge your phone or other devices while driving. Also has the option to answer incoming calls which makes this the best adapter I have found! Great product!