If you live and travel in sururbanisée area, this unit will struggle to find a niche that FM is not already assigned to a local or national radio frequency. So if you do not have a co-pilot to even manipulate in your place, you risk collision force to inattention, concentrated that you will find the right free terminal on the tape. This is unfortunate because on a USB stick topped with various files, these are audio files that are selected for an on quality playback.