The wiring provides you with connetions to switch on the PC, to reset it, to connect to the speaker, and to connect to the LEDs on the box. There may also be a se of 9 wires to connect you front panel USB to the mobo. You need to know which is which, and this is NORMALLY printed on the little plugs at the end of those wires. If this is not the case, you will have colour coded wires, and your case manual will show you what each of these are. You may also be able to see physically what the wires are connected to.
Now, I will need to know what sort of information you have before I can advise you how to connect the wires to the mobo - without this, you can't proceed. Most importantly, if you don't know how to connect your main switch to the mobo, you won't be able to switch on your computer.
I have taken a look at the Jeantech web site and it looks quite detailed - they certianly have a nice range of cases. Which one did you buy?