The Baseus Bluetooth FM transmitter is a multifunctional device that will provide you with the highest level of driving comfort. 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 flash drive. Answer and reject calls, redial the last number, change frequencies, manage tracks, and adjust the volume – all with a single transmitter.