Abstract: A holiday tree light source assembly for inserting a plurality of universal serial bus inputs includes a tree being displayed as a holiday decoration. The tree has a trunk with a plurality of branches protruding off from the trunk. Each of the branches is an electric wire having a plurality of plastic pine leaves. The tree has a bottom base where a power source is positioned proximate to. Furthermore, a plurality of universal serial buses is coupled to the electric wire of each of the branches of the tree. Each of the universal serial buses has a port being a female insert to a universal serial bus input. Each ornament of a plurality of ornaments has a universal serial bus input. The universal serial bus input of each of the ornaments is a male insert to the port of the universal serial bus of the tree.