Abstract: A combination structure of a touch device includes an annular outer frame, a glass cover plate, a touch control board, and a flexible circuit connected to the touch control circuit board. The glass cover plate is arranged in a middle area of the annular outer frame and connected to the annular outer frame. The touch control circuit board and the flexible circuit are arranged below the glass cover plate. A lower end of the annular outer frame includes a concave groove configured to accommodate the flexible circuit. A bottom surface of the glass cover plate includes a step structure.

Abstract: At least an embodiment discloses an earphone comprising a shell, a signal generator and a first speaker, wherein the signal generator is electrically connected to the first speaker and both the signal generator and the first speaker are within the shell; a first earphone tube including a first end and a second end, wherein the first end of the first earphone tubes is connected to the shell, and the first end of the earphone tube is approximate to the first speaker; and a first earplug connected to the shell via the first earphone tube, wherein a sound generated by the first speaker is transmitted to the first earplug through the first earphone tube.

Abstract: At least an embodiment discloses an earphone comprising a shell, a signal generator and a first speaker, wherein the signal generator is electrically connected to the first speaker and both the signal generator and the first speaker are within the shell; a first earphone tube including a first end and a second end, wherein the first end of the first earphone tubes is connected to the shell, and the first end of the earphone tube is approximate to the first speaker; and a first earplug connected to the shell via the first earphone tube, wherein a sound generated by the first speaker is transmitted to the first earplug through the first earphone tube.