wireless audio sender can transmit digitally and wirelessly sound from an audio player up to 30 metres to a Hi-Fi or Audio System. Connect the transmitter to your iPod, MP3 player or other audio device and the reciever to your Hi-Fi System and you're ready. Its simple quick and easy set-up make this an ideal product for use around the house, the garden or office and its integrated 16 channel selection produces an interference free transmission.