The present application relates to a head mounted display device which includes a display device defining a first connection opening; two earphone bodies each defining a second connection opening; and a connection frame comprising two connection arms connecting the two earphone bodies to the display device, each connection arm comprising a first connection end connected to the first connection opening and a second connection end connected to a corresponding second connection opening, and defining an inner chamber extending through the first connection end and the second connection end. Each earphone body is electrically connected to the display device via a flexible printed circuit housed in the inner chamber, and a first end of the flexible printed circuit is connected to the display device via the first connection opening and a second end of the flexible printed circuit is connected to a corresponding earphone body via a corresponding second connection opening.