Enjoy intelligent driving with this versatile car kit equipped with an FM transmitter. Just plug in the SmarTune-2+ into your car's cigarette lighter socket, and you're good to go. With a built-in microphone, the FM transmitter offers hands-free call management for answering/rejecting calls. The SmarTune-2+ includes a QC3.0 quick charging port and an additional USB port that doubles as a U disk port for playing music. With various connectivity options such as USB flash drive, microSD card, and Bluetooth, the SmarTune-2+ is an outstanding companion for your car.