An electronic device is provided. The electronic device includes a housing including a window, configured to form a 1st side of the electronic device, and a 2nd side of the electronic device directed in an opposite direction of the 1st side of the electronic device, a circuit board between the 1st side and the 2nd side of the electronic device, and including an input circuit configured to detect an input based on a change in a capacitance, a spacer between the window and the circuit board, and having at least one space formed on one side facing the circuit board, a contact electrically connected to the input circuit by being mounted to one side of the circuit board, and contained in the at least one space, and a conductive plate coupled to the spacer, and electrically connected to the contact through the at least one space.