Interphone Radio Pen  Could you see a pen by which two persons can speak to each other at the distance? You could buy it in my company soon. And the pen is also a radio. The price is too lower to imagine. Welcome to inquiry. Home  |  Trade Message  |  Product Catalog  |  Interphone Radio Pen  |  Projection Pen  |  Contact Us  |  Sitemap ►  简体版   ►  繁體版   ►  English Powered by DIYTrade.com  Build your FREE website !