bella,that is the dock connector. You will have to replace it in order to get your iPod back to normal function. It is an interesting job to say the least. You have to remove the logic board and then desolder the connector. The dock connectors are available at multiple places [http://cgi.ebay.com/iPod-Touch-iTouch-2nd-gen-Dock-connector-repair-part-/110475653791|like this] Then you have to resolder the new one. here is a [http://www.youtube.com/watch?v=E23AXLjfJ_M|video] that shows you how to do it. Good Luck.