turn the power outlet in your car to a mini power station. This cup shaped power station turns the 1 cigarette lighter spot in your car into a place to plug in 2 usb & two cigarette lighter sockets, Bluetooth,and a FM transmitter. Sync the bluetooth with your phone and connect with your car stereo system via FM transmitter. There are buttons on it to allow you to cycle through music or answer your phone. #Rankboosterrevie #Sponsored #TOPOINT https://www.amazon.com/Charger-Cigartee-Splitter-Bluetooth-Charging/dp/B076D953FD