... ,CE Brife introduction:1.It can retract auto,and very it’s convenient2.Factory introduction:We are ... *21*15mm3.Color:black4.Wire:2,3,4 copper wires,one pull lenth is 10-20cm,double reels5.Line ... :UL,CE,ROHS10.Connector: ethernet,USB,iphone,ipod,and other connector you want11.Feature:double retractable,it’s ... very convenient for travel and home use12.Pack:1pc/opp bag,500 pcs/ ...