Ok your are going to need a Vga cable to go to the tv from your laptop (like the thing that connects the monitor on a desktop). Then you plug that in ( there should be a VGA in on the tv. Then you plug in your usb mouse, then plug in your wireless keyboard sensor and put the batteries in the...
JUST TO BE ANNOYING! LOL JK but it must have something to do with needing to produce enough electricity b/c if they could make it smaller they would, because with it being bigger its just using more plastic for them, making it cost more to make for them