A mobile terminal and controlling method thereof are disclosed, by which a more convenient e-book reading environment can be provided through background video andor audio settings. These deposition domains are placed on a surface to form a molecular array. The Physical Layer Convergence Procedure Module is operably coupled to convert the MPDU into a PLCP Protocol Data Unit in accordance with the WLAN protocol. A compliant link is coupled to the bar between the control surface and the T-shaped member. A retainer ring is provided for securing the packing retainer in place.