... Dual reel lenth:10-20cm of each 3.Connector:USB, ethernet 4.Certificate:UL,CE Brife introduction:1.It ... and sell well,and these years we have developed to retractable belt barrier,badge reel,and other retractable ... long8.Position: automatic9.Certificate:UL,CE,ROHS10.Connector: ethernet,USB,iphone,ipod,and other connector you want11.Feature:double ... pcs/ ctn; carton size: 50*35*19cm.to your request.