RadioShack 2.4GHz USB Digital Audio Link (listen to MP3s, portable CD players or .wav files on your stereo or any other A/V source) Wirelessly transmits digital audio signals to your stereo, home theater system or any other A/V source Connects to your computer or any audio device with a 3.5mm headphone jack 2.4 GHz transmission for greater range and less interference 8 selectable channels provide a clearer signal Includes USB cable and 3.5mm-to-phono-plug cable