Material & Design: Premium Durable PC mount seal the case safely, Transparent PVC screen and camera window allows taking photos conveniently, Length X Width: 80mm X 155mm, Compatible for up to 5.7 inch smart phones confidently! A circle with air around the clear window, decorated by a luminous ornament. This design language is to let the case float on water (if drop)and be seen at night conveniently.Kindly NOTE: 1) Test WaterProof Function before Each Use. Fill with Paper Towel; Squeeze air before Sealed. Submerge underwater for about 15 minutes.2) Downside the top mount to take out the object, avoid water going into the case. 3) Keep the Instrution manual for future use.Functions: 1) Friendly Screen Touch Response,writing message etc! 2) Answering your calling clearly! Note: The screen COULD NOT recognize your Touch ID when in case. Occasion: Waterproof when swimming, Rafting, Boating, Snowproof when snowing, Skiing, Dirtproof / Dustproof when play on beach, explore in cave etc.Tips for Taking Picture: The front and back case are Both Transparent. Don't worry about where is your camera! Snap image whenever you want! Note: 1) For Taking photos underwater, at first, you had better have the phone on the camera setting , and then go underwater and USE THE PHONE BUTTON (NOT Screen Touch) to take picture. For example, iPhone series, use the volume button to take picture underwater.F-color Promises: IPX8 Certified 20 meter underwater. Compatible Phones: 1) iPhone Series (5.5 inch & 4.7 inch or less): iPhone 6S 6 Plus,iPhone 6S 6, iPhone 5 5S 5C, iPhone SE; 2) Samsung Series(5.5 inch or less): Galaxy S7 Edge, Galaxy S6 Edge Plus, Galaxy S6 Edge, Galaxy S6 S5 S4 S3, Galaxy Note 5 4 3; 3) Other Smart devices(5.5 inch or less): MP3 Player, LG G5 G4 G3 G2, Nexus 6 5 4, HTC One M9 M8 M7 Max,Sony Xperis Z3 Z2 Z1; Motorola MOTO G3 X3, Nokia lumia, Blackberry and Credit Card etc..