Gaoyi Tech limited is a hi-tech company which is engaged in developing and manufacturing mainly Car FM transmitters, Bluetooth Car Kit, USB Bluetooth dongle, MP3, MP4 players, USB flash driver Marketing With the strong R&D workforce, strict quality control, competitive pricing, good delivery time, and perfect customer service, our Gaoyi Tech limited has owned a good reputation, many companies all around the world regard us as their long-term OEM or ODM partner Big production capacity Our company is up to the standard of international quality system ISO9001: 2000. The components what we used are strictly selected and most of them are imported from America and Japan. To meet the soaring global demand for our products, our professional engineers are always dedicating to the development of new products. With the strong production capacity, normally the lead-time is just 5-8days. Service The good OEM service and great export experiences are our core advantages. To strengthen the belief in our products from new customers, we also can accept small quantity as a trial order at the beginning. We have taken numerous measures in quality control to ensure our products in top condition, and perform to your satisfaction. If you have any problems, our technical service team will help troubleshoot with you. Meanwhile, for the epidemic defects of our products, we can provide one-year guarantee without any additional charge. Hand in hand with GAOYI TECH ----your truly reliable business partner. We assure you that we can build a brilliant and prosperous future.