Function One: Sound function in Global Settings. It enables the menu to play sound when clicking the node including sub tree to expand & collapse, clicking the node with link address or moving the mouse over the node. You can try this new feature in the new built-in template “Business > Sound”.
Function Two: Effect function in Sub-tree Settings. It enables users to choose a type of special effect to display or hide the sub nodes. In the built-in template “XP Panel > Red”, there is a special effect when the sub nodes are expanded or collapsed.