The Baseus S-09 Lite Series FM transmitter with Bluetooth 5.3 is a multifunctional car accessory that connects to the cigarette lighter. It has an elegant black design that fits perfectly into the interior of your car. All you have to do is select a free radio frequency and set it on the device. The accessory is also equipped with buttons and a rotary knob. This allows you to quickly and easily switch between tracks, change the language, adjust the volume with the rotary knob, pause and play the music without being distracted from driving. The device allows you to play high-quality music from a smartphone, USB stick or TF card via the vehicle's audio system, take calls via the hands-free system with the built-in microphone and charge devices via USB ports.