Belkin iPod F8Z901 TuneStage Transmitter and Receiver for $29.99 shipped. The transmitter requires no batteries and automatically powers on or off with the iPod. It works with iPod mini; iPod nano 1G, 2G, 3G; iPod touch; iPod 1G, 2G, 3G, 4G, 5G, 5.5G, 6G; iPod shuffle 1G, 2G and any MP3 player with a headphone jack. Most places sell this for over $110 or more.