The XO BCC01 FM transmitter is a device that will prove useful for any driver who does not have a USB or AUX port. With a transmitter in your car, you don't have to worry about empty mobile phones, tablets, or other portable devices. You can charge them quickly and efficiently thanks to the USB ports. With this product you can also play music from your mobile and even from a USB stick. It has the ability to answer and reject calls, reconnect to the last number, change the frequency, manage songs, and adjust the volume - all through a transmitter.