Smart switch function: Make the everyday drive easier with Smart Switch function that switches to hands-free mode automatically from music playing status when receiving calls. You can make or answer calls that seamlessly switch between incoming calls and music.No Installation Required: No wires, no installation and no mess. The Promate SmarTune-2+ sends audio through to your car speakers using your FM radio. Simply tune your car radio to a clear FM frequency and then select the same exact frequency on the Promate SmarTune-2+.Remote Control Included: Control your music playback in comfort with the included remote control. With options to adjust volume, change the track, pause, answer or hang up a call, adjust the EQ and more besides.Easy Navigation with Multiple EQ Options: SmarTune-2+ features easy-to-use navigation controls on the main panel for added functionality and choose between Natural, Rock, Pop, Classic and Jazz equalizers as per your mood.Great Compatibility: It’s widely compatible with all devices with a Bluetooth function such as iPhone, Samsung, Blackberry, iPad and Tablets. Also supports USB flash disk, AUX input, USB Port and TF memory card with capacity up to 32GB, transmit music and calls directly from your devices to car stereo system via Bluetooth.