Dear Guangzhou Huiru Electronic Co. - Nadine, We have with interest look at your MP3 FM transmitter. Please can you making us a prototype for MP3 or MP4 who could transmitter on all frequency from FM 88 to FM 108 a the same time. If it is possible for us - we are interested in start-up an production next year. Have a very nice and we look forward to hear from you. Best Regards SAVE IT Lars Holm Manager