1. the U-disk and pen perfect union, U-disk fashion is unique, has a distinctive style, extremely reveals the individuality. 2. The pure metal (copper) the outer covering, the surface may galvanize or baking varnish processing, the color may elect, the pen body may silk India or laser carving enterprise LOGO. 3. The automatic broadcast function may spring the company homepage, or the advertisement animation, is first choice of the enterprise commerce present