Premium Materials: The phone case adopts quality PC and TPU materials, forming a dual-layer protection system, anti-collision and durable to use. The PET screen film can protect the screen against scratch and dust 2m Drop protection: It's extremely drop resistant. It can withstand the drop test from 2 meters high, and the phone can retain normal operation function after the test IP68 waterproof: It is dustproof, waterproof and snowproof, which can completely isolate the phone from snow, ice and water, and can be used normally for 30 minutes under two meters of water Dust-proof Design: It can isolate dirt, dust, sand, etc., and can resist soil impurities and construction dust from entering the case and damaging the phone With a built-in magnet ring, making it has powerful magnetic force, it's compatible with MagSafe charger Precise Cutouts: It ensures easy access to all ports, speakers, and buttons, providing easy access and maintaining the device's functionality without compromise. No blocking the camera lens, convenient for your to take photos/videos underwater Wide Application: It is very suitable for surfing, swimming, cycling, driving, snorkeling, etc Enhanced Grip and Comfort: Feel comfortable when hold it in your hand, and it adds minimal bulk while providing maximum protection. The included lanyard makes it easy to carry and can prevent accidental drops, giving you peace of mind while using your device on the go Installation Instruction: 1. Put paper in the empty shell and conduct waterproof test for fifteen to thirty minutes (installation reminder: carefully check the sealing ring and waterproof pad before testing to see if they are assembled and installed tightly, and conduct a comprehensive inspection) 2. If there is no water leakage during the test, please install the real machine correctly according to the above procedures 3. The mobile phone must be assembled bare, and no film, decorations, tempered glass, etc. can be attached to the body of the mobile phone (for iPhone installation reminder: when installing, you must first align the mute button and then install the machine. The product screen is scratch-resistant. The mobile phone does not need to be covered with a film or a shell. Covering the film will affect the waterproof effect) 4. After installation, test the function keys to see if the mobile phone can be used normally 5. If the test leaks, please do not install the real machine, please contact the business personnel as soon as possible 6. Confirm that the paper in the empty shell is not wet and the shell is not water-logged, and the real machine can be installed (warm reminder: after confirming that there is no water leakage, you cannot install the real machine and put it in the water to test the water)