WATERPROOF: Our Case passed the test of submerging 6.6ft/1h for 1000 Times. Waterproof designed for swimming, fishing, skiing, diving, surfing and rafting, and designed for beach, bathroom and rainy days. SHOCKPROOF: Our Case passed the test of dropping from 6.6ft/2m Height for 1000 Times. Shockproof designed for hiking, camping, climbing, running, jogging and cycling and other intense outdoor activities. DUSTPROOF: Full-sealed cover stops any dirt, sand, and other impurities into your phone, and make your phone clean anytime. SNOWPROOF: Designed for protecting your phone from getting wet or power off on snowy days, and conquer all harsh environments. Sound Protection System: Our Case successfully adopted high-quality membrane which is super waterproof, meanwhile, it won't affect the sound transmission.