An apparatus (100, 1000), comprising: a goggle (200), including a goggle frame(201) and a protective lens (202)installed in the goggle frame (201)； a face mask (300) releasably connected tothe goggle (200)； a detachable pivot-connection structureprovided between two lateral sides of the goggle frame (201) and the face mask(300), the detachable pivot-connection structurecomprising a pivoting axis substantially parallel to a lateral direction ofthe goggle frame (201)； and a detachable locking structure providedbetween the goggle frame (210) and the face mask (300), the detachable pivot-connection structure configured to cooperate with thedetachable pivot-connection structure to selectively lock the goggle frame(210) and the face mask (300) together.
