Use Occasions: -Daily life -Outdoor sports -Water sports
How it works: There're 2 silicone bars to seal the case to prevent water from going inside. When you use it daily life, you can unclose the bars and put in other holes of the case to prevent dust and dropping. When you use in water sports, you can put the bars in the sealed holes to prevent water from going inside.
It will pass clear sounds and dropproof when you use in daily life mode. It will be waterproof when you use in water sports mode. Easy to install and ultra light.