Welcome to the world of ETB, which is the abbreviation of Electronic Technology Base, the headquarters is located in Shenzhen. We produce and export Computer Peripherals for over 10 years, our series of PC mouse, speakers, USB, TF cards, portable power supply, etc have got certificates of CE, FC, roHs, etc. Our products are hot sale in many countries such as Japan, Korea, Europe and America, etc. We have consistently uphold the concept of ?Quality Products, Best Service and Fast Response?. And expressly, our price is very competitive because we are manufactory, we are the source. In addition ,as a very active manufactures, we develop new designs nearly every month, If you have interest in it, it`s my pleasure that you visit our website regular