USB 3.0.4 Port Hub

Function: function;A function is a USB device that is able to transmit or receive data or control information over the bus.                                                                                                                                                     

      

so this USB Port has a 4 sides side 1 side 2 side 3 side 4 Such Clasing mung USB is easy to get anymore because you can put in your pocket or bag and this USB because of its shape and it 's easy to get and easy and afordable used