У вашего броузера проблема в совместимости с HTML5
https://www.simplyscuba.com/collections/snorkels
The TUSA Hyperdry Max Snorkel as the name suggests stops any water from entering the tube of the snorkel with a float system at the top shutting off the entrance when it get submerged. It also has a flexible neck for comfort and to allow it to sit away from your face when not in use.