Lcd Backlight Wireless Car Fm Transmitter for iPhone Black Silver.     Description:  Suitable for iphone.  Colour: Black,silver.  Power supply form mobile.  Size: 40X39.5X31.5(cm).  Fashion mini designed.  Led display frequency.  Transmission distance: >5m.  Hi-fi transmission for audio.  Frequency range: 87.5-108.0MHZ 0.1MHZ/step.  Function: IPhone transfer,support TF card,led display.     Operating Instructions:  1. Connect transmitter to your iphone or other mobiles, select frequency screen display on transmitter.  2. Press on “+”,”-“button to adjust the frequency same to your tune on car radio.  3. Enjoy your favorite music or speak hands free.     Note:  If the FM signal is interrupted, please set the frequency and car tuner to the others.     Package Included:  1xUSB Cable.  1 X  Remotor Controler.  1 X  FM Transmitter.  1 X  Cable with Cigarette Lighter Plug