JED Enterprise Development (HK)., LTD established by a HK businessman in 2001, located in beautiful HK with import-export authority, specializing in manufacturing electric products, is a leading exporter of?MP4 and GPS. Our products include such mp4,mp3,USB, bluetooth-headset,and accessories for mobile.the leading products as follows: 1) mp4,mp3; 2) USB; 3) all-in-one car DVD,GPS; 4)Memory card(SD\MMC\SONY STICK;) 5) bluetooth-headset...