Bluetooth FM Transmitter Elecom LAT-FMBT02BK Purchased new on Amazon in July 2021. Used for 4 years. There are no noticeable scratches or stains, and it works without any problems. Includes the main unit and instruction manual only. Features a USB port (1 port) with a maximum total output of 2.4A for charging smartphones and tablets. A Bluetooth(R) FM transmitter that allows you to wirelessly enjoy music from your smartphone or tablet in your car. Compatible with both 12V and 24V.