Arkon SF120 SoundFeeder Wireless FM Audio Transmitter FM audio transmitter lets you listen to CD players, iPods, MP3 players, or other devices through your car or home stereo Tunes to any unused radio frequency for easy, high-quality reception Can be used indoors with televisions, PCs, gaming consoles, or other devices with headphone jacks or audio outputs Includes collapsible telescoping antenna for better reception and compact portability Requires 1 AA batter (not included)