Promate Wireless FM Transmitter Car Kit with Smart LED Display, Black

Highlights: Simply tune your car radio to a clear FM frequency and then select the same exact frequency on the SmarTune-3 With the built-in microphone and Bluetooth capabilities, the SmarTune-3 allows you to make and receive phone calls Control your music playback in comfort with the included remote control USB Output - 5 V/3.4 A, Number Of USB Port - 2