Features: - 100% Brand Original and High Quality. - Material: Aluminum Metal Armor Frame + Silicon Back Cover + Gorilla Glass. - Provide the highest level of overall protection for your phone ( Life Waterproof / Dust /Shock proof ). - Gorilla Glass touchscreen ,while opening the touchscreen to direct touch & perfect to protect your screen from damage. - It also works seamlessly with every features and function:camera,flash,buttons,microphones and speaker. - Do not worry signal lose ,also can provide normal signal. Please note: this is a powerful Life waterproof case ,you can use it when you live in Rainy day, snow day,but you cann't use it under water ,that's means it cann't take photo / calling / video ect... under the water .so please considering more before buy .thanks !!!