SHENZHEN SUNTECH SCIENCE & TECHNOLOGY CO., LTD (http://www.szsuntech.com.cn), is a professional high-tech enterprise specialized in mini speakers, USB disk & card speaker, portable speaker,mini audio and usb speaker, usb camera, pc camera, webcam, headphone, earphone,optical mouse, wired mouse, wireless mouse in Shenzhen, and also with some trading items as keyboard, multimedia keyboard, standard keyboard, usb hubs and other items