The XO BCC12 FM transmitter is a useful device for any driver without a USB or AUX port. With the transmitter in your car, you don't have to worry about your phone, tablet, or other portable device running out of battery. You can quickly and efficiently charge them thanks to the USB ports. You can also use this product to play music from your phone or even a USB flash drive. You can answer and reject calls, redial the last number, change frequencies, and manage your tracks.