Electrical connector having insulative housing configured with hermaphroditic halves

An electrical connector, comprising:

• a first connector;
• a second connector electrically connecting with the first connector;
• an insulator molded over the first connector and the second connector, the insulator defining an expansion thereon;
• a housing member including a top housing and a bottom housing combined together to enclose the insulator and at least one of the first and second connectors therein, said expansion of the insulator located in a corresponding depression in an interior side of the top or bottom housing.

An adaptor comprising:

• a USB connection unit equipped with an outer shell and defining a rectangular mating port with USB contacts dispose therein;
• a plug connection unit defining a circular mating port with the plug contacts disposed therein under condition that said USB connection unit and said plug connection unit are back to back arranged with each other;
• a tail of the plug contact and tails of USB contacts being electrically connected to each other within an insulator;
• a pair of housing units assembled to each other to sandwich not only the USB connection unit but also the insulator.