iKross In Car Universal Wireless FM Transmitter with USB Car Charger for Smartphone MP3 MP4 Audio Player with 3.5mm AUX Audio Jack For Apple iPhone/Samsung Galaxy/Note/LG - Black and Silver Play music / audio while charging your phone or mp3 player at the same time with the iKross Car FM Transmitter Talk, charge and play music while on the road! Transmits audio from your smartphone / tablet / mp3 player wirelessly through the car FM stereo system. Supports Handsfree function: Voice calls through the car audio system when using your phone connected via the included 3.5mm jack cable. LED display for FM channels. Full FM frequency range allows you to find the best channel with minimum interruptions.