Apple iPod Radio Remote adds FM to iPods | Engadget
8pin Lightning Compatible FM Radio for iPhones / iPads / iPods Adding FM Radio Functionality to Your iPhone / iPod / iPad Air /iPad Mini, Turn Your iPhone / iPad / iPod
KitPerfect In Car FM Transmitter For iPod and iPhone
For IPod Style Portable 1.8" LCD MP3 MP4 Music Video Media Player FM Radio Portable Colorful MP3 MP4 Player Music Video|MP4 Player| - AliExpress
FM Transmitter for iPod & Nano G3 & Classic - FM Transmitter