An outlet device includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, a voice controlling module installed in the hanging portion, and a power cord connected to the counterweight portion. The outlet unit of the counterweight portion and the voice controlling module are electrically connected to the power cord. The voice controlling module is to receive voice signal for controlling a corresponding electronic device. When the outlet device is applied to a plate, the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.