Abstract: A USB wireless connection port for a keyboard, a mouse and a presenter is provided. The USB wireless connection port includes a metal frame; a circuit board disposed inside the metal frame and having an upper face and a lower face, wherein the upper face has a plurality of terminals disposed thereon and the lower face has an electronic element disposed thereon; and a wireless module electrically connected to the terminals, wherein the metal frame has a first hollow area above the upper surface of the circuit board, and the electronic element is selected from a group consisting of a microcomputer chip, a microprocessor and the wireless module.

Abstract: A USB wireless connection port for a keyboard, a mouse and a presenter is provided. The USB wireless connection port includes a metal frame; a circuit board disposed inside the metal frame and having an upper face and a lower face, wherein the upper face has a plurality of terminals disposed thereon and the lower face has an electronic element disposed thereon; and a wireless module electrically connected to the terminals, wherein the metal frame has a first hollow area above the upper surface of the circuit board, and the electronic element is selected from a group consisting of a microcomputer chip, a microprocessor and the wireless module.