Hi5Gadget Hard Shell Aluminum Metal Case with Gorilla Glass Dustproof Shockproof Dirtproof Protective Cover for iPhone 6 6S(4.7) Rugged Case (Black) Dirtproof * shockproof * weatherproof for iphone 6 & 6S 4.7 inch IP65 rated waterproof case,It will not interfere the proximity sensor causing unwanted screen off when calling shockproof/ Dustproof/ Waterproof (It can face water resistant, and rain proof, but not put in water) + dust resistant acoustic port protection;