Here is a FM-Chip-enabled headset for iOS that lets you enjoy FM radio without the internet. The SOUNDOT AF1 headset comes with DSP technology for customizable sound effects. It is an Apple MFi certified accessory but is expected to get Android support in the future.
The SOUNDOT AF1 FM headset has dual drivers, 3 button remote switches, and inline microphone. It comes with 11 music settings through the app.