#1	Special design compatible with GoPro Hero 8 Hero 9 Black action camera It dont need to be used with protective case
#2	It could reduce the noise effective when you recording the video
#3	Made of special sponge material which is very soft lightness portable flexible
#4	Precise hole would not impact the video effect restore the real sound quality
#5	Adapt to various of scene and sport especially the gale weather strenuous exercise