USB apparatuses increase mouse, keyboard, printer, scanner ... in sequence, and Universal Serial Bus port of PC is insufficient! It is USB hub which one which is convenient for such a case branches off Universal Serial Bus port of PC and can increase. USB hub, docking station of ELECOM thoroughly pursue convenience. You can choose favorite thing from various designs.
Connector type on the PC side (Upstream Port)
We choose cable classification/male female
The applicable number matter