... have exported worldwide and sell well,and these years we have developed to retractable belt barrier,badge reel,and other retractable products ... .3. Occation:computer,iphone,ipod,phone and so on.Name: Plastic ... Certificate:UL,CE,ROHS10.Connector: ethernet,USB,iphone,ipod,and other connector you want11.Feature:double retractable,it’s ...