The FM transmitter XO BCC03 is a device that will be useful for any driver who does not have a USB or AUX port. With the transmitter in the car, you don't need to worry about your phone, tablet, or other portable devices discharging. You can charge them quickly and efficiently thanks to the USB ports. You can also play music from your mobile phone and even from a USB memory stick. Answer and reject calls, reconnect with the last number, change the frequency, manage the songs, and adjust the volume - all with one transmitter.