hi there, can please pm me the best price of

1.) crystal casing (those cover front and back)
2.) aluminium casing (mind to know that are this casing act same like crystal casing or those need to dismantle psp ori casing 1st and only install?)
3.) earphone with remote control.
4.) do you have earphone with mic?

sorry for some silly question, just sometimes confuse.
all this is for psp-2000.
thanks.