Upgrade your car's audio experience with this multifunctional Bluetooth FM transmitter. It seamlessly connects your phone or MP3 player to your car radio, allowing you to stream music wirelessly. With its built-in microphone and noise cancellation technology, you can answer calls hands-free, ensuring safe driving. The large LED display shows the FM frequency, song information, caller ID, and battery voltage. Its compact design fits conveniently into your car's cigarette lighter socket, while the USB Type-C port keeps your devices charged. Enjoy superior sound quality and wireless convenience on every drive.