AUDIO FM TRANSMITTER Play music any portable audio devices to any FM equipped stereo. Wirelessly transmits the audio using FM frequencies. Perfect for any IPOD/MP3 or CD player which utilizes a standard 3. 5mm headphone. Simply plug, tune&play. INSTRUCTION: Plug Tune-Free transmitter into your music player, set Tune-Free and your stereo to the same FM frequency: (check the channel table for details). Turn on the Tune-Free and music player, the music will be transmitted the player to the FM stereo wirelessly. Enjoy your music now! Note: For best results, frequency that has the weakest or no signal a radio station. SPECIFICATIONS: Modulation: FM channels. Available distance: 3 meters. Power: 2 *AAA batteries (not included) Frequency Modulation: 88. 1MHZ, 88. 3MHZ, 88. 5MHZ, 88. 7MHZ