This is Andrew from Gaoyitech Elcetronic Co.,Ltd, in Shenzhen,China. we are specialized in manufacturing Bluetooth Car kit and Car fm Transmitter more than 4 years.Being one of the best manufacture in this field, we have a excellent R&D team .As a result that all of our product have got the CE , ROHS , FCC certification. some bluetooth product even got the BQE certification. so we can supply you the best product at a high perfomance-to-price ratio with prompt delivery service. followed is our sample for your reference, for more information you can landing our websit : http://gaoyitech.en.alibaba.com, expecting your reply and for a further communicaiton you can directly contact me.