TuneBase FM lets you listen to your iPod nano in the car. ClearScan technology quickly scans and finds the best FM frequency-all with one push of a button. Improved FM transmission delivers crisp, clean audio performance. New line-out feature allows for use with car-stereo inputs or cassette adapters. Additional PRO setting optimizes audio and boosts volume. Innovative, flexible steel-neck with integrated antenna makes for easy repositioning.