E cigarette usb pass through incloud three parts,the first one:USB parts,the second: wire material of e cigarette usb pass through,and another is Trailing of e cigarette usb pass through.
一，USB parts of e cigarette usb pass through
（a）Use A Male plug USB
（b）the appearance use 60P of PVC plastic,lustrous surface,gloss,shiny,no corrosion metal and destruction of gas
二.Wire part of e cigarette usb pass through：use 10 with 0.10 copper wire,wire diameter is 3.0,the plastic use 60P of PVC plastic material,polished, Soft degree good, no shrink and bubble, the wire length of 3.0
三.Trailing part of e cigarette usb pass through:Screens is 4 * 5 bayonet,Bayonet is 20mm length,the Copper wire showed 3mm on the tin,this bayonet suitable for e cigarette charger of plastic cover,easy to assemble,No looseness and other bad phenomenon.