ELTD® Micro USB Host OTG cable / adapter for Samsung Galaxy Note 10.1 2014 / Asus Me372CG - With 90 ° Adapter: Type B / micro USB and type A / USB2.0 OTG Host Cable (OTG Cable, Black) (OTG Cable, Black ) (Electronics)
I can say a lot here: You put adapter cable to the micro USB port in the Tablet (Galaxy Note 10.1 in 2014 for me) and into the socket then a keyboard, mouse, USB stick, etc. and it just works.