Abstract: A head-mounted display includes a body, a bearing base, a knob, a guiding element, and a head belt set. The knob is pivoted to the bearing base and located outside the bearing base. The guiding element is pivoted to the bearing base and located inside the bearing base and is configured to be driven by the knob to rotate. The guiding element includes a first gear and a second gear. The head belt set connects the body and the bearing base. The head belt set includes a first side head belt, a second side head belt, and an auxiliary head belt. The first gear is configured to drive the first side head belt and the second side head belt to move. The second gear is configured to drive the auxiliary head belt to move.

Abstract: A head-mounted display including a body, a bearing base, a separation plate, a knob, a guiding element, a first gear, a second gear and a head belt set is provided. The separation plate is fixed inside the bearing base. The knob is pivoted to the bearing base and located outside the bearing base. The guiding element is pivoted to the bearing base and located inside the bearing base, and is configured to be driven by the knob to rotate. The guiding element includes a shaft portion passing through the bearing base and the separation plate. The first gear and the second gear are sleeved on the shaft portion, and are separated from each other by the separation plate. The head belt set connects the body and the bearing base. The head belt set includes an auxiliary head belt, a first side head belt and a second side head belt.

Abstract: A head-mounted display includes a body, a bearing base, a knob, a guiding element, and a head belt set. The knob is pivoted to the bearing base and located outside the bearing base. The guiding element is pivoted to the bearing base and located inside the bearing base and is configured to be driven by the knob to rotate. The guiding element includes a first gear and a second gear. The head belt set connects the body and the bearing base. The head belt set includes a first side head belt, a second side head belt, and an auxiliary head belt. The first gear is configured to drive the first side head belt and the second side head belt to move. The second gear is configured to drive the auxiliary head belt to move.

Abstract: A head-mounted display includes a host, two installing bases, two connection elements and a head belt. The host has two installing grooves and two opposite sidewalls, and the two installing grooves respectively penetrate through the two sidewalls. The two installing bases are disposed in the host, wherein each installing base has an abutting portion and an installing portion connected to each other. The abutting portion of each installing base abuts against an inner edge of the corresponding sidewall, and the installing portion of each installing base is exposed outside of the host through the corresponding installing groove. The two connection elements are respectively installed onto the two installing portions of the two installing bases. The head belt has two opposite connection portions, and the two connection portions are respectively connected to the two connection elements.

Abstract: A touch module includes a housing, a cover, a connecting element, and a touch element. The cover includes a main body portion and a step portion located at a periphery of the main body portion, and a thickness of the main body portion is greater than a thickness of the step portion. The connecting element is located between the step portion and the housing. The touch element is located at a side of the cover and at the inside of the housing. A fabricating method of the touch module and a smart watch having the touch module are also provided.