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