This transmitter with USB-C charging streams audio via Bluetooth to your car's FM radio on frequencies 88.1-107.9 MHz. It features built-in USB 2.1 and USB-C ports with outputs of 5V/2.1A and 5V/3A, 9V/2.22A. The device includes a built-in microphone for hands-free calling and a multi-function remote control. Price drops from $24.88 to $5. Shipping is free over $35.