【50ft Deep Dive & Enlarged viewfinder】Experience crystal-clear underwater snorkeling diving phone case performance! IP68 certified for 50ft/15m depth. Specifically designed with an ultra-clear back plate to fully utilize your phone's native wide-angle lens, capturing stunning panoramic coral reefs and marine life. Please note that the wide-angle lens of the iPhone 17 Pro Max will be slightly affected.【2025 Upgraded Bubble-Free Design & Widened Viewfinder】Our iphone underwater case for snorkeling features precision vent holes to prevent air bubbles and an enlarged 2.12"x3.07" viewfinder for perfect framing. This underwater phone case ensures flawless touchscreen operation through the responsive external shutter button.【Universal Fit for iPhone 17/16/15 & Samsung Galaxy Series】This diving phone case fits all 4.7"-6.9" phones using side-button cameras. Perfect underwater phone case for snorkeling with iPhone 17/16/15/14/13 Pro Max and Galaxy S24/S23/S22. Does not support touch control; uses a mechanical shutter button.【Effortless 1-Button Photo/Video Control】Master underwater photography in seconds! The large external yellow button precisely triggers your phone's volume keys for quick shots and record toggle. No Bluetooth or app needed – pure mechanical reliability. Does not support underwater touch control！【Pro Setup: Screen Lock & Selfie Stick Ready】For best results: 1) Test with tissue inside before use. 2)Set screen to "Never Auto-Lock". 3) Align joystick with volume button. 4)Attach to any selfie stick via 1/4" screw hole for stable footage.