If your car stereo does not have Bluetooth connectivity, but you would like it very much. You can try an aux adapter with Bluetooth. The device is plugged into the standard aux jack on your car stereo. Then you can enjoy stereo sound by switching music on your smartphone without any wires and cables. The receiver also has a memory card slot, but you're unlikely to need that. This Bluetooth provides stable data transmission at a distance of up to 10 meters. In addition, thanks to the receiver, you get hands-free functionality. You will be able to answer calls and talk without having to hold your phone in your hands. It comes with an aux adapter, charging cable and instructions.