The Bluetooth Receiver is specially designed for Car Stereo systems and Home Audio System. And, it can change the traditional Car Stereo systems and Home Audio System into Bluetooth-enabled ones, and pair with Bluetooth-enabled smart phones, laptop, tablet or MP3 / MP4 player, etc. Moreover, its hands-free function will bring you much convenience and let you keep safe during drive. With this product, you can greatly enjoy music from your phone, laptop or MP3 without the hassle of cables and picking up incoming call during on the road. It is perfectly suitable for the car owners.