Fangrui Product Details 1. The Solid Back Cover Is Professionally Waterproof Up To 60 Meters, And The Touch Screen Back Cover Is Waterproof Up To 20 Meters. It Is To Pressure And Protection Without Penetration, Suitable For Underwater Such As Swimming, Diving, And Surfing. 2. The Rugged Shell Provides Better Protection For Your Device In The Complex Underwater Environment. 3. The High-transparency Lens Is Clear And Bright, And The Lens Is Made Of High-quality Material, Which Can Clearly Retain The Picture. 4. The Button Uses High-quality Materials, Precision-aligned Bare Machine Buttons, And Has Obvious Tactile Feedback. 5. The Sealing Gasket Is Leak-proof And Water-. The Greater The Water Pressure, The Tighter The Seal. The Built-in Sponge Strip Provides Stable Shock Resistance, Protecting The Screen From External Pressure And Damage. The Three-fold Buckle Is Installed Tightly, Not Easy To Fall Off, And More Reassuring For Diving. Paired With A Buoyancy Rod, It Is Suitable For Both Self-portrait And Diving;with A Filter, The