Yung Hsin Enterprise has devoted itself to the research anddevelopment, production, and marketing of cellular phoneaccessories since its establishment in 1984. The wholeproduct lines include: Hands-free Car Kit Saver Charger,Travel Charger, Portable Hands Free Kit with FM Radio,Portable Hands-free Kit, RF antenna, PDA, etc. We are notonly keeping improving the existing products but also putquite a lot of manpower and material resources in thedevelopment of DSP and Wireless techniques. The applicationincludes Voice Hands Free Kit, Wireless Hands Free Car Kit,Wireless Headset, Bluetooth Headset, etc.Keeping high quality and creative power is how Yung Hsinenhances client's satisfaction continuously. It is provenbythe acquirement of patent right in many countries and CE,CB, EI certificates. ... 
Taiwan