The Auto 12 is a wireless Bluetooth adapter that instantly transforms your non-Bluetooth car stereo into a Bluetooth-enabled system. Stream music wirelessly from your smartphone and enjoy enhanced bass with the built-in bass boost button. It supports hands-free calls with crystal-clear sound and integrates voice assistants like Siri or Google Assistant for easy, safe control while driving. Simply connect via a 3.5mm Aux cable, and enjoy high-fidelity music and hands-free communication in your car!