The Joy Factory ABD106 RainBallet, Rugged, Waterproof Case for iPhone 4/4S with Intelli-filter Design, Smoke Fits iPhone 4 snugly (AT&T, Verizon) Resists damage from rain, water jets, sweat or splashes Intelli-filter design blocks water, not sound, to preserve sound quality. Built-in shock-resistant structure provides extra protection. Front and back Sharpvue lenses enables high-quality photos through the case. Meets IPX5 standards Fits iPhone 4 snugly (AT&T, Verizon), Prevents damage from rain, water jets, sweat or splashes. Front and back Sharpvue lenses enables high-quality photos and videos through the case. Intelli-filter design blocks water, not sound, to preserve sound quality. Built-in shock-resistant structure provides extra protection. Meets IPX7 standards.