Insta360 X3 Dive Case, Waterproof Up to 50m (164ft) Underwater Protective Dive Housing Shell with Bracket Mount Accessories for Insta360 X3 Action Camera Waterproof Housing Case: Amazon.co.uk: Electronics & Photo
INSTA360 X3 DIVE CASE Review & Everything You Need To Know - YouTube
Not impressed with the dive case (explanation in comments) : r/Insta360